diff --git a/.gitignore b/.gitignore
index 92dc1c67d..f700d7475 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,3 @@
-# Created by .ignore support plugin (hsz.mobi)
-### Node template
 # Logs
 logs
 *.log
@@ -19,4 +17,9 @@ node_modules/
 
 # IntelliJ
 .idea
-*.iml
\ No newline at end of file
+*.iml
+
+secrets.yaml
+
+# NYC test coverage
+.nyc_output/
diff --git a/.travis.yml b/.travis.yml
index ad8345c7a..fabdb127a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,13 +1,29 @@
 language: node_js
 node_js:
-  - '10'
+  - '8'
 env:
   - TEST_DIR=notification
   - TEST_DIR=extension
 before_install:
-  - npm i -g npm@^6.9.0
+  - npm i -g npm@^6.4.1
+services:
+  - docker
 script:
   - cd $TEST_DIR
   - npm ci
   - npm run test
   - if [ "$TEST_DIR" = "extension" ]; then npm run cypress; fi
+  - cd $TRAVIS_BUILD_DIR
+
+before_deploy:
+  - docker login -u="${DOCKER_USERNAME}" -p="${DOCKER_PASSWORD}"
+
+after_deploy:
+  - docker logout
+
+deploy:
+  - provider: script
+    script: bash ./travis-build.sh "$TEST_DIR"
+    on:
+      tags: true
+      condition: $TRAVIS_TAG =~ ^v[0-9]+.[0-9]+.[0-9]+
\ No newline at end of file
diff --git a/extension/.dockerignore b/extension/.dockerignore
new file mode 100644
index 000000000..f77cb9dd1
--- /dev/null
+++ b/extension/.dockerignore
@@ -0,0 +1,7 @@
+.gitignore
+.git
+test
+cypress
+cypress.
+node_modules
+json
\ No newline at end of file
diff --git a/extension/Dockerfile b/extension/Dockerfile
new file mode 100644
index 000000000..f7fad13ba
--- /dev/null
+++ b/extension/Dockerfile
@@ -0,0 +1,13 @@
+FROM mhart/alpine-node:8
+MAINTAINER Professional Services <ps-dev@commercetools.de>
+
+WORKDIR /app
+
+RUN apk --update add make python
+
+RUN apk --update add git
+
+COPY . /app
+
+RUN npm ci --only=prod
+ENTRYPOINT ["npm", "run", "start"]
\ No newline at end of file
diff --git a/extension/package.json b/extension/package.json
index 4cbe259ef..d691f7ab0 100644
--- a/extension/package.json
+++ b/extension/package.json
@@ -5,7 +5,7 @@
   "license": "MIT",
   "scripts": {
     "test": "mocha --exit --timeout 30000 --full-trace test/**/*.spec.js",
-    "start": "node ./src/index.js",
+    "start": "node ./src/init.js",
     "lint": "eslint .",
     "cypress:run": "cypress run",
     "cypress:open": "cypress open",
diff --git a/extension/resources/payment-interface-interaction-types.json b/extension/resources/payment-interface-interaction-types.json
index 56e91ef2f..58fff7390 100644
--- a/extension/resources/payment-interface-interaction-types.json
+++ b/extension/resources/payment-interface-interaction-types.json
@@ -9,13 +9,13 @@
     ],
     "fieldDefinitions": [
       {
-        "name": "timestamp",
+        "name": "createdAt",
         "label": {
-          "en": "timestamp"
+          "en": "createdAt"
         },
         "required": true,
         "type": {
-          "name": "String"
+          "name": "DateTime"
         },
         "inputHint": "SingleLine"
       },
@@ -76,4 +76,4 @@
       }
     ]
   }
-]
\ No newline at end of file
+]
diff --git a/extension/src/config/init/ensure-api-extensions.js b/extension/src/config/init/ensure-api-extensions.js
index ec22d36f9..b8f5c9ff4 100644
--- a/extension/src/config/init/ensure-api-extensions.js
+++ b/extension/src/config/init/ensure-api-extensions.js
@@ -1,15 +1,19 @@
 const _ = require('lodash')
+const utils = require('../../utils')
 
 const apiExtensionTemplate = require('../../../resources/api-extension.json')
 
+const logger = utils.getLogger()
 async function ensureApiExtensions (ctpClient, ctpAdyenIntegrationBaseUrl) {
   try {
     const extensionDraft = _.template(JSON.stringify(apiExtensionTemplate))({ ctpAdyenIntegrationBaseUrl })
     const { body } = await ctpClient.fetch(ctpClient.builder.extensions.where(`key="${apiExtensionTemplate.key}"`))
-    if (body.results.length === 0)
+    if (body.results.length === 0) {
       await ctpClient.create(ctpClient.builder.extensions, extensionDraft)
+      logger.info('Successfully created api extension')
+    }
   } catch (e) {
-    console.error('Error when creating API extension, skipping...', JSON.stringify(e))
+    logger.error(e, 'Error when creating api extension, skipping...')
   }
 }
 
diff --git a/extension/src/config/init/ensure-interface-interaction-custom-type.js b/extension/src/config/init/ensure-interface-interaction-custom-type.js
index a9e54f59b..7f81c9e8e 100644
--- a/extension/src/config/init/ensure-interface-interaction-custom-type.js
+++ b/extension/src/config/init/ensure-interface-interaction-custom-type.js
@@ -1,15 +1,20 @@
 const Promise = require('bluebird')
+const utils = require('../../utils')
 
 const interfaceInteractionTypes = require('../../../resources/payment-interface-interaction-types.json')
 
+const logger = utils.getLogger()
+
 async function ensureInterfaceInteractionCustomType (ctpClient) {
   await Promise.map(interfaceInteractionTypes, async (type) => {
     try {
       const { body } = await ctpClient.fetch(ctpClient.builder.types.where(`key="${type.key}"`))
-      if (body.results.length === 0)
+      if (body.results.length === 0) {
         await ctpClient.create(ctpClient.builder.types, type)
+        logger.info('Successfully created an interfaceInteraction type')
+      }
     } catch (e) {
-      console.error('Error when creating interface interaction custom type, skipping...', JSON.stringify(e))
+      logger.error(e, 'Error when creating interface interaction custom type, skipping...')
     }
   }, { concurrency: 3 })
 }
diff --git a/extension/src/config/init/ensure-payment-custom-type.js b/extension/src/config/init/ensure-payment-custom-type.js
index 1d2f69efe..093ecfb6c 100644
--- a/extension/src/config/init/ensure-payment-custom-type.js
+++ b/extension/src/config/init/ensure-payment-custom-type.js
@@ -1,12 +1,18 @@
 const paymentCustomType = require('../../../resources/payment-custom-types.json')
 
+const utils = require('../../utils')
+
+const logger = utils.getLogger()
+
 async function ensurePaymentCustomType (ctpClient) {
   try {
     const { body } = await ctpClient.fetch(ctpClient.builder.types.where(`key="${paymentCustomType.key}"`))
-    if (body.results.length === 0)
+    if (body.results.length === 0) {
       await ctpClient.create(ctpClient.builder.types, paymentCustomType)
+      logger.info('Successfully created payment custom type')
+    }
   } catch (e) {
-    console.error('Error when creating payment custom type, skipping...', JSON.stringify(e))
+    logger.error(e, 'Error when creating payment custom type, skipping...')
   }
 }
 
diff --git a/extension/src/index.js b/extension/src/init.js
similarity index 65%
rename from extension/src/index.js
rename to extension/src/init.js
index be1010774..4f5956ea8 100644
--- a/extension/src/index.js
+++ b/extension/src/init.js
@@ -1,11 +1,12 @@
 const init = require('./server.js').setupServer()
-require('./config/config')
+const utils = require('./utils')
 
 const { ensureResources } = require('./config/init/ensure-resources')
 
 const port = parseInt(process.env.EXTENSION_PORT || 8080, 10)
+const logger = utils.getLogger()
 
 init.listen(port, async () => {
   await ensureResources()
-  console.log(`Server running at http://127.0.0.1:${port}/`)
+  logger.info(`Server running at http://127.0.0.1:${port}/`)
 })
diff --git a/extension/src/paymentHandler/creditCard/credit-card-complete-payment.handler.js b/extension/src/paymentHandler/creditCard/credit-card-complete-payment.handler.js
index 201ae57e6..31c763b1c 100644
--- a/extension/src/paymentHandler/creditCard/credit-card-complete-payment.handler.js
+++ b/extension/src/paymentHandler/creditCard/credit-card-complete-payment.handler.js
@@ -11,7 +11,9 @@ const config = configLoader.load()
 async function handlePayment (paymentObject) {
   const validator = _validatePayment(paymentObject)
   if (validator.hasErrors())
-    return validator.buildCtpErrorResponse()
+    return {
+      actions: []
+    }
   const { response, request } = await _completePayment(paymentObject)
   const status = response.status === 200 ? c.SUCCESS : c.FAILURE
   const responseBody = await response.json()
@@ -35,7 +37,6 @@ async function handlePayment (paymentObject) {
   actions = _.compact(actions)
 
   return {
-    version: paymentObject.version,
     actions
   }
 }
diff --git a/extension/src/paymentHandler/creditCard/credit-card-make-payment.handler.js b/extension/src/paymentHandler/creditCard/credit-card-make-payment.handler.js
index 4cef68174..b3b6bb81a 100644
--- a/extension/src/paymentHandler/creditCard/credit-card-make-payment.handler.js
+++ b/extension/src/paymentHandler/creditCard/credit-card-make-payment.handler.js
@@ -65,7 +65,6 @@ async function handlePayment (paymentObject) {
   actions = _.compact(actions)
 
   return {
-    version: paymentObject.version,
     actions
   }
 }
diff --git a/extension/src/paymentHandler/creditCard/credit-card.handler.js b/extension/src/paymentHandler/creditCard/credit-card.handler.js
index a1cd52263..47bd8b27a 100644
--- a/extension/src/paymentHandler/creditCard/credit-card.handler.js
+++ b/extension/src/paymentHandler/creditCard/credit-card.handler.js
@@ -4,7 +4,6 @@ const pU = require('../payment-utils')
 
 const creditCardMakePayment = require('./credit-card-make-payment.handler')
 const creditCardCompletePayment = require('./credit-card-complete-payment.handler')
-const errorMessages = require('../../validator/error-messages')
 
 async function handlePayment (paymentObject) {
   const hasPendingTransaction = _.isObject(pU.getChargeTransactionPending(paymentObject))
@@ -14,10 +13,7 @@ async function handlePayment (paymentObject) {
   if (hasInitTransaction)
     return creditCardMakePayment.handlePayment(paymentObject)
   return {
-    errors: [{
-      code: 'InvalidField',
-      message: errorMessages.MISSING_TXN_CHARGE_INIT_PENDING
-    }]
+    actions: []
   }
 }
 
diff --git a/extension/src/paymentHandler/fetch-payment-methods.handler.js b/extension/src/paymentHandler/fetch-payment-methods.handler.js
index c1cffe9de..4305e5cdd 100644
--- a/extension/src/paymentHandler/fetch-payment-methods.handler.js
+++ b/extension/src/paymentHandler/fetch-payment-methods.handler.js
@@ -8,7 +8,6 @@ async function handlePayment (paymentObject) {
   const { request, response } = await _fetchPaymentMethods(paymentObject)
   const responseBody = await response.json()
   return {
-    version: paymentObject.version,
     actions: [
       pU.createAddInterfaceInteractionAction({
         request, response: responseBody, type: 'getAvailablePaymentMethods'
diff --git a/extension/src/paymentHandler/kcp/kcp-make-payment.handler.js b/extension/src/paymentHandler/kcp/kcp-make-payment.handler.js
index 74fbbf8bd..ef99b42ec 100644
--- a/extension/src/paymentHandler/kcp/kcp-make-payment.handler.js
+++ b/extension/src/paymentHandler/kcp/kcp-make-payment.handler.js
@@ -39,7 +39,6 @@ async function handlePayment (paymentObject) {
   actions = _.compact(actions)
 
   return {
-    version: paymentObject.version,
     actions
   }
 }
diff --git a/extension/src/paymentHandler/kcp/kcp-payment.handler.js b/extension/src/paymentHandler/kcp/kcp-payment.handler.js
index 1e87f23bd..35ac654e9 100644
--- a/extension/src/paymentHandler/kcp/kcp-payment.handler.js
+++ b/extension/src/paymentHandler/kcp/kcp-payment.handler.js
@@ -2,17 +2,13 @@ const _ = require('lodash')
 
 const pU = require('../payment-utils')
 const kcpMakePayment = require('./kcp-make-payment.handler')
-const errorMessages = require('../../validator/error-messages')
 
 async function handlePayment (paymentObject) {
   const hasInitTransaction = _.isObject(pU.getChargeTransactionInit(paymentObject))
   if (hasInitTransaction)
     return kcpMakePayment.handlePayment(paymentObject)
   return {
-    errors: [{
-      code: 'InvalidField',
-      message: errorMessages.MISSING_TXN_CHARGE_INIT_PENDING
-    }]
+    actions: []
   }
 }
 
diff --git a/extension/src/paymentHandler/payment-utils.js b/extension/src/paymentHandler/payment-utils.js
index d667147ba..80da73774 100644
--- a/extension/src/paymentHandler/payment-utils.js
+++ b/extension/src/paymentHandler/payment-utils.js
@@ -48,7 +48,7 @@ function createAddInterfaceInteractionAction (
     action: 'addInterfaceInteraction',
     type: { key: c.CTP_INTERFACE_INTERACTION },
     fields: {
-      timestamp: new Date(),
+      createdAt: new Date(),
       response: JSON.stringify(response),
       request: JSON.stringify(request),
       type,
diff --git a/extension/src/paymentHandler/paypal/paypal-complete-payment.handler.js b/extension/src/paymentHandler/paypal/paypal-complete-payment.handler.js
index ee89faf8a..162f06fb3 100644
--- a/extension/src/paymentHandler/paypal/paypal-complete-payment.handler.js
+++ b/extension/src/paymentHandler/paypal/paypal-complete-payment.handler.js
@@ -11,8 +11,9 @@ const config = configLoader.load()
 async function handlePayment (paymentObject) {
   const validator = _validatePayment(paymentObject)
   if (validator.hasErrors())
-    return validator.buildCtpErrorResponse()
-
+    return {
+      actions: []
+    }
   const { response, request } = await _callAdyen(paymentObject)
   const status = response.status === 200 ? c.SUCCESS : c.FAILURE
   const responseBody = await response.json()
@@ -36,7 +37,6 @@ async function handlePayment (paymentObject) {
   actions = _.compact(actions)
 
   return {
-    version: paymentObject.version,
     actions
   }
 }
diff --git a/extension/src/paymentHandler/paypal/paypal-make-payment.handler.js b/extension/src/paymentHandler/paypal/paypal-make-payment.handler.js
index 089e3218d..9f09c26dc 100644
--- a/extension/src/paymentHandler/paypal/paypal-make-payment.handler.js
+++ b/extension/src/paymentHandler/paypal/paypal-make-payment.handler.js
@@ -39,7 +39,6 @@ async function handlePayment (paymentObject) {
   actions = _.compact(actions)
 
   return {
-    version: paymentObject.version,
     actions
   }
 }
diff --git a/extension/src/paymentHandler/paypal/paypal.handler.js b/extension/src/paymentHandler/paypal/paypal.handler.js
index 854c9b483..a8e477dc6 100644
--- a/extension/src/paymentHandler/paypal/paypal.handler.js
+++ b/extension/src/paymentHandler/paypal/paypal.handler.js
@@ -1,7 +1,6 @@
 const _ = require('lodash')
 
 const pU = require('../payment-utils')
-const errorMessages = require('../../validator/error-messages')
 const paypalMakePayment = require('./paypal-make-payment.handler')
 const paypalCompletePayment = require('./paypal-complete-payment.handler')
 
@@ -14,10 +13,7 @@ async function handlePayment (paymentObject) {
     return paypalMakePayment.handlePayment(paymentObject)
 
   return {
-    errors: [{
-      code: 'InvalidField',
-      message: errorMessages.MISSING_TXN_CHARGE_INIT_PENDING
-    }]
+    actions: []
   }
 }
 
diff --git a/extension/src/server.js b/extension/src/server.js
index 3f7450470..62828e4aa 100644
--- a/extension/src/server.js
+++ b/extension/src/server.js
@@ -2,7 +2,6 @@ const http = require('http')
 const url = require('url')
 const utils = require('./utils')
 const { routes: defaultRoutes } = require('./routes')
-require('./config/config')
 
 const logger = utils.getLogger()
 
diff --git a/extension/src/utils.js b/extension/src/utils.js
index 9a930e446..3d2f69500 100644
--- a/extension/src/utils.js
+++ b/extension/src/utils.js
@@ -1,4 +1,6 @@
 const bunyan = require('bunyan')
+const configLoader = require('./config/config')
+const config = configLoader.load()
 
 let logger
 
@@ -23,12 +25,12 @@ function sendResponse ({
   response.end(JSON.stringify(data))
 }
 
-function getLogger (logLevel) {
+function getLogger () {
   if (!logger)
     logger = bunyan.createLogger({
       name: 'ctp-adyen-integration-extension',
       stream: process.stderr,
-      level: logLevel || bunyan.ERROR
+      level: config.logLevel || bunyan.ERROR
     })
   return logger
 }
diff --git a/extension/test/fixtures/ctp-payment.json b/extension/test/fixtures/ctp-payment.json
index 5f1643fd7..8ae8790bd 100644
--- a/extension/test/fixtures/ctp-payment.json
+++ b/extension/test/fixtures/ctp-payment.json
@@ -66,7 +66,7 @@
       },
       "fields": {
         "request": "request",
-        "timestamp": "2019-02-28T22:16:04.246Z",
+        "createdAt": "2019-02-28T22:16:04.246Z",
         "response": "response=",
         "status": "SUCCESS",
         "type": "makePayment"
@@ -79,11 +79,11 @@
       },
       "fields": {
         "request": "request",
-        "timestamp": "2019-02-28T22:16:19.086Z",
+        "createdAt": "2019-02-28T22:16:19.086Z",
         "response": "response",
         "status": "SUCCESS",
         "type": "completePayment"
       }
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/extension/test/unit/payment.controller.spec.js b/extension/test/unit/payment.controller.spec.js
index 38a303d68..151bf351b 100644
--- a/extension/test/unit/payment.controller.spec.js
+++ b/extension/test/unit/payment.controller.spec.js
@@ -91,13 +91,8 @@ describe('Payment controller', () => {
 
       utilsStub.collectRequestData = () => JSON.stringify({ resource: { obj: ctpPaymentClone } })
       utilsStub.sendResponse = ({ statusCode, data }) => {
-        expect(statusCode).to.equal(400)
-        expect(data).to.deep.equal({
-          errors: [{
-            code: 'InvalidField',
-            message: errorMessages.MISSING_PAYLOAD
-          }]
-        })
+        expect(statusCode).to.equal(200)
+        expect(data).to.deep.equal({ actions: [] })
       }
 
       await paymentController.processRequest(mockRequest)
@@ -185,23 +180,8 @@ describe('Payment controller', () => {
 
       utilsStub.collectRequestData = () => JSON.stringify({ resource: { obj: ctpPaymentClone } })
       utilsStub.sendResponse = ({ statusCode, data }) => {
-        expect(statusCode).to.equal(400)
-        expect(data).to.deep.equal({
-          errors: [
-            {
-              code: 'InvalidField',
-              message: errorMessages.MISSING_PAYMENT_DATA
-            },
-            {
-              code: 'InvalidField',
-              message: errorMessages.MISSING_MD
-            },
-            {
-              code: 'InvalidField',
-              message: errorMessages.MISSING_PARES
-            }
-          ]
-        })
+        expect(statusCode).to.equal(200)
+        expect(data).to.deep.equal({ actions: [] })
       }
       await paymentController.processRequest(mockRequest)
     })
diff --git a/notification/.dockerignore b/notification/.dockerignore
new file mode 100644
index 000000000..f77cb9dd1
--- /dev/null
+++ b/notification/.dockerignore
@@ -0,0 +1,7 @@
+.gitignore
+.git
+test
+cypress
+cypress.
+node_modules
+json
\ No newline at end of file
diff --git a/notification/Dockerfile b/notification/Dockerfile
new file mode 100644
index 000000000..fa487c617
--- /dev/null
+++ b/notification/Dockerfile
@@ -0,0 +1,13 @@
+FROM mhart/alpine-node:8
+MAINTAINER Professional Services <ps-dev@commercetools.de>
+
+WORKDIR /app
+
+RUN apk --update add make python
+
+RUN apk --update add git
+
+COPY . /app
+
+RUN npm ci --only=prod
+ENTRYPOINT ["npm", "run", "start"]
diff --git a/notification/package-lock.json b/notification/package-lock.json
index f4f077907..a02f83e8a 100644
--- a/notification/package-lock.json
+++ b/notification/package-lock.json
@@ -268,24 +268,59 @@
         "sprintf-js": "~1.0.2"
       }
     },
+    "aria-query": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/aria-query/-/aria-query-3.0.0.tgz",
+      "integrity": "sha1-ZbP8wcoRVajJrmTW7uKX8V1RM8w=",
+      "dev": true,
+      "requires": {
+        "ast-types-flow": "0.0.7",
+        "commander": "^2.11.0"
+      }
+    },
     "array-from": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/array-from/-/array-from-2.1.1.tgz",
       "integrity": "sha1-z+nYwmYoudxa7MYqn12PHzUsEZU=",
       "dev": true
     },
+    "array-includes": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/array-includes/-/array-includes-3.0.3.tgz",
+      "integrity": "sha1-GEtI9i2S10UrsxsyMWXH+L0CJm0=",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.2",
+        "es-abstract": "^1.7.0"
+      }
+    },
     "assertion-error": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
       "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
       "dev": true
     },
+    "ast-types-flow": {
+      "version": "0.0.7",
+      "resolved": "https://registry.npmjs.org/ast-types-flow/-/ast-types-flow-0.0.7.tgz",
+      "integrity": "sha1-9wtzXGvKGlycItmCw+Oef+ujva0=",
+      "dev": true
+    },
     "astral-regex": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
       "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
       "dev": true
     },
+    "axobject-query": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/axobject-query/-/axobject-query-2.0.2.tgz",
+      "integrity": "sha512-MCeek8ZH7hKyO1rWUbKNQBbl4l2eY0ntk7OGi+q0RlafrCnfPxC06WZA+uebCfmYp4mNU9jRBP1AhGyf8+W3ww==",
+      "dev": true,
+      "requires": {
+        "ast-types-flow": "0.0.7"
+      }
+    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@@ -409,6 +444,12 @@
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
       "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s="
     },
+    "contains-path": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/contains-path/-/contains-path-0.1.0.tgz",
+      "integrity": "sha1-/ozxhP9mcLa67wGp1IYaXL7EEgo=",
+      "dev": true
+    },
     "cross-spawn": {
       "version": "6.0.5",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
@@ -422,6 +463,12 @@
         "which": "^1.2.9"
       }
     },
+    "damerau-levenshtein": {
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+    "normalize-package-data": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.5.0.tgz",
+      "integrity": "sha512-/5CMN3T0R4XTj4DcGaexo+roZSdSFW/0AOOTROrjxzCG1wrWXEsGbRKevjlIL+ZDE4sZlJr5ED4YW0yqmkK+eA==",
+      "dev": true,
+      "requires": {
+        "hosted-git-info": "^2.1.4",
+        "resolve": "^1.10.0",
+        "semver": "2 || 3 || 4 || 5",
+        "validate-npm-package-license": "^3.0.1"
+      }
+    },
     "nyc": {
       "version": "13.3.0",
       "resolved": "https://registry.npmjs.org/nyc/-/nyc-13.3.0.tgz",
@@ -2196,6 +2586,48 @@
       "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM=",
       "dev": true
     },
+    "object-keys": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-1.1.1.tgz",
+      "integrity": "sha512-NuAESUOUMrlIXOfHKzD6bpPu3tYt3xvjNdRIQ+FeT0lNb4K8WR70CaDxhuNguS2XG+GjkyMwOzsN5ZktImfhLA==",
+      "dev": true
+    },
+    "object.assign": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/object.assign/-/object.assign-4.1.0.tgz",
+      "integrity": "sha512-exHJeq6kBKj58mqGyTQ9DFvrZC/eR6OwxzoM9YRoGBqrXYonaFyGiFMuc9VZrXf7DarreEwMpurG3dd+CNyW5w==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.2",
+        "function-bind": "^1.1.1",
+        "has-symbols": "^1.0.0",
+        "object-keys": "^1.0.11"
+      }
+    },
+    "object.entries": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/object.entries/-/object.entries-1.1.0.tgz",
+      "integrity": "sha512-l+H6EQ8qzGRxbkHOd5I/aHRhHDKoQXQ8g0BYt4uSweQU1/J6dZUOyWh9a2Vky35YCKjzmgxOzta2hH6kf9HuXA==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.3",
+        "es-abstract": "^1.12.0",
+        "function-bind": "^1.1.1",
+        "has": "^1.0.3"
+      }
+    },
+    "object.fromentries": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/object.fromentries/-/object.fromentries-2.0.0.tgz",
+      "integrity": "sha512-9iLiI6H083uiqUuvzyY6qrlmc/Gz8hLQFOcb/Ri/0xXFkSNS3ctV+CbE6yM2+AnkYfOB3dGjdzC0wrMLIhQICA==",
+      "dev": true,
+      "requires": {
+        "define-properties": "^1.1.2",
+        "es-abstract": "^1.11.0",
+        "function-bind": "^1.1.1",
+        "has": "^1.0.1"
+      }
+    },
     "once": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
@@ -2233,6 +2665,30 @@
       "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ=",
       "dev": true
     },
+    "p-limit": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/p-limit/-/p-limit-1.3.0.tgz",
+      "integrity": "sha512-vvcXsLAJ9Dr5rQOPk7toZQZJApBl2K4J6dANSsEuh6QI41JYcsS/qhTGa9ErIUUgK3WNQoJYvylxvjqmiqEA9Q==",
+      "dev": true,
+      "requires": {
+        "p-try": "^1.0.0"
+      }
+    },
+    "p-locate": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/p-locate/-/p-locate-2.0.0.tgz",
+      "integrity": "sha1-IKAQOyIqcMj9OcwuWAaA893l7EM=",
+      "dev": true,
+      "requires": {
+        "p-limit": "^1.1.0"
+      }
+    },
+    "p-try": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/p-try/-/p-try-1.0.0.tgz",
+      "integrity": "sha1-y8ec26+P1CKOE/Yh8rGiN8GyB7M=",
+      "dev": true
+    },
     "parent-module": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.0.tgz",
@@ -2242,6 +2698,21 @@
         "callsites": "^3.0.0"
       }
     },
+    "parse-json": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/parse-json/-/parse-json-2.2.0.tgz",
+      "integrity": "sha1-9ID0BDTvgHQfhGkJn43qGPVaTck=",
+      "dev": true,
+      "requires": {
+        "error-ex": "^1.2.0"
+      }
+    },
+    "path-exists": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/path-exists/-/path-exists-3.0.0.tgz",
+      "integrity": "sha1-zg6+ql94yxiSXqfYENe1mwEP1RU=",
+      "dev": true
+    },
     "path-is-absolute": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
@@ -2259,6 +2730,12 @@
       "integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=",
       "dev": true
     },
+    "path-parse": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/path-parse/-/path-parse-1.0.6.tgz",
+      "integrity": "sha512-GSmOT2EbHrINBf9SR7CDELwlJ8AENk3Qn7OikK4nFYAu3Ote2+JYNVvkpAEQm3/TLNEJFD/xZJjzyxg3KBWOzw==",
+      "dev": true
+    },
     "path-to-regexp": {
       "version": "1.7.0",
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-1.7.0.tgz",
@@ -2276,12 +2753,36 @@
         }
       }
     },
+    "path-type": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/path-type/-/path-type-2.0.0.tgz",
+      "integrity": "sha1-8BLMuEFbcJb8LaoQVMPXI4lZTHM=",
+      "dev": true,
+      "requires": {
+        "pify": "^2.0.0"
+      }
+    },
     "pathval": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.0.tgz",
       "integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA=",
       "dev": true
     },
+    "pify": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+      "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw=",
+      "dev": true
+    },
+    "pkg-dir": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/pkg-dir/-/pkg-dir-2.0.0.tgz",
+      "integrity": "sha1-9tXREJ4Z1j7fQo4L1X4Sd3YVM0s=",
+      "dev": true,
+      "requires": {
+        "find-up": "^2.1.0"
+      }
+    },
     "pluralize": {
       "version": "7.0.0",
       "resolved": "https://registry.npmjs.org/pluralize/-/pluralize-7.0.0.tgz",
@@ -2300,18 +2801,65 @@
       "integrity": "sha512-7PiHtLll5LdnKIMw100I+8xJXR5gW2QwWYkT6iJva0bXitZKa/XMrSbdmg3r2Xnaidz9Qumd0VPaMrZlF9V9sA==",
       "dev": true
     },
+    "prop-types": {
+      "version": "15.7.2",
+      "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.7.2.tgz",
+      "integrity": "sha512-8QQikdH7//R2vurIJSutZ1smHYTcLpRWEOlHnzcWHmBYrOGUysKwSsrC89BCiFj3CbrfJ/nXFdJepOVrY1GCHQ==",
+      "dev": true,
+      "requires": {
+        "loose-envify": "^1.4.0",
+        "object-assign": "^4.1.1",
+        "react-is": "^16.8.1"
+      }
+    },
     "punycode": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
       "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
       "dev": true
     },
+    "react-is": {
+      "version": "16.8.6",
+      "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.8.6.tgz",
+      "integrity": "sha512-aUk3bHfZ2bRSVFFbbeVS4i+lNPZr3/WM5jT2J5omUVV1zzcs1nAaf3l51ctA5FFvCRbhrH0bdAsRRQddFJZPtA==",
+      "dev": true
+    },
+    "read-pkg": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-2.0.0.tgz",
+      "integrity": "sha1-jvHAYjxqbbDcZxPEv6xGMysjaPg=",
+      "dev": true,
+      "requires": {
+        "load-json-file": "^2.0.0",
+        "normalize-package-data": "^2.3.2",
+        "path-type": "^2.0.0"
+      }
+    },
+    "read-pkg-up": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/read-pkg-up/-/read-pkg-up-2.0.0.tgz",
+      "integrity": "sha1-a3KoBImE4MQeeVEP1en6mbO1Sb4=",
+      "dev": true,
+      "requires": {
+        "find-up": "^2.0.0",
+        "read-pkg": "^2.0.0"
+      }
+    },
     "regexpp": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-2.0.1.tgz",
       "integrity": "sha512-lv0M6+TkDVniA3aD1Eg0DVpfU/booSu7Eev3TDO/mZKHBfVjgCGTV4t4buppESEYDtkArYFOxTJWv6S5C+iaNw==",
       "dev": true
     },
+    "resolve": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.10.0.tgz",
+      "integrity": "sha512-3sUr9aq5OfSg2S9pNtPA9hL1FVEAjvfOC4leW0SNf/mpnaakz2a9femSd6LqAww2RaFctwyf1lCqnTHuF1rxDg==",
+      "dev": true,
+      "requires": {
+        "path-parse": "^1.0.6"
+      }
+    },
     "resolve-from": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
@@ -2431,6 +2979,38 @@
       "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
       "dev": true
     },
+    "spdx-correct": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.0.tgz",
+      "integrity": "sha512-lr2EZCctC2BNR7j7WzJ2FpDznxky1sjfxvvYEyzxNyb6lZXHODmEoJeFu4JupYlkfha1KZpJyoqiJ7pgA1qq8Q==",
+      "dev": true,
+      "requires": {
+        "spdx-expression-parse": "^3.0.0",
+        "spdx-license-ids": "^3.0.0"
+      }
+    },
+    "spdx-exceptions": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/spdx-exceptions/-/spdx-exceptions-2.2.0.tgz",
+      "integrity": "sha512-2XQACfElKi9SlVb1CYadKDXvoajPgBVPn/gOQLrTvHdElaVhr7ZEbqJaRnJLVNeaI4cMEAgVCeBMKF6MWRDCRA==",
+      "dev": true
+    },
+    "spdx-expression-parse": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-3.0.0.tgz",
+      "integrity": "sha512-Yg6D3XpRD4kkOmTpdgbUiEJFKghJH03fiC1OPll5h/0sO6neh2jqRDVHOQ4o/LMea0tgCkbMgea5ip/e+MkWyg==",
+      "dev": true,
+      "requires": {
+        "spdx-exceptions": "^2.1.0",
+        "spdx-license-ids": "^3.0.0"
+      }
+    },
+    "spdx-license-ids": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.4.tgz",
+      "integrity": "sha512-7j8LYJLeY/Yb6ACbQ7F76qy5jHkp0U6jgBfJsk97bwWlVUnUWsAgpyaCvo17h0/RQGnQ036tVDomiwoI4pDkQA==",
+      "dev": true
+    },
     "sprintf-js": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -2456,6 +3036,12 @@
         "ansi-regex": "^3.0.0"
       }
     },
+    "strip-bom": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
+      "integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
+      "dev": true
+    },
     "strip-json-comments": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
@@ -2553,6 +3139,16 @@
         "punycode": "^2.1.0"
       }
     },
+    "validate-npm-package-license": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
+      "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
+      "dev": true,
+      "requires": {
+        "spdx-correct": "^3.0.0",
+        "spdx-expression-parse": "^3.0.0"
+      }
+    },
     "which": {
       "version": "1.3.1",
       "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
diff --git a/notification/package.json b/notification/package.json
index b3f15e47e..29bd0532f 100644
--- a/notification/package.json
+++ b/notification/package.json
@@ -51,6 +51,11 @@
     "mocha": "^5.2.0",
     "chai": "^4.2.0",
     "nyc": "^13.3.0",
-    "ip": "^1.1.5"
+    "ip": "^1.1.5",
+    "eslint-config-airbnb": "^17.1.0",
+    "eslint-config-commercetools": "^6.0.0",
+    "eslint-plugin-jsx-a11y": "^6.2.1",
+    "eslint-plugin-import": "^2.14.0",
+    "eslint-plugin-react": "^7.12.4"
   }
 }
diff --git a/notification/resources/payment-interface-interaction-type.json b/notification/resources/payment-interface-interaction-type.json
new file mode 100644
index 000000000..2a4625b2e
--- /dev/null
+++ b/notification/resources/payment-interface-interaction-type.json
@@ -0,0 +1,55 @@
+{
+  "key": "ctp-adyen-integration-interaction-notification",
+  "name": {
+    "en": "ctp-adyen-integration-interaction-notification"
+  },
+  "resourceTypeIds": [
+    "payment-interface-interaction"
+  ],
+  "fieldDefinitions": [
+    {
+      "name": "createdAt",
+      "label": {
+        "en": "createdAt"
+      },
+      "required": true,
+      "type": {
+        "name": "DateTime"
+      },
+      "inputHint": "SingleLine"
+    },
+    {
+      "name": "transactionId",
+      "label": {
+        "en": "transactionId"
+      },
+      "required": false,
+      "type": {
+        "name": "String"
+      },
+      "inputHint": "SingleLine"
+    },
+    {
+      "name": "notification",
+      "label": {
+        "en": "notification"
+      },
+      "required": true,
+      "type": {
+        "name": "String"
+      },
+      "inputHint": "MultiLine"
+    },
+    {
+      "name": "status",
+      "label": {
+        "en": "status"
+      },
+      "required": false,
+      "type": {
+        "name": "String"
+      },
+      "inputHint": "SingleLine"
+    }
+  ]
+}
diff --git a/notification/src/api/notification/notification.controller.js b/notification/src/api/notification/notification.controller.js
index 00888564b..7446790a1 100644
--- a/notification/src/api/notification/notification.controller.js
+++ b/notification/src/api/notification/notification.controller.js
@@ -4,11 +4,14 @@ const ctp = require('../../utils/ctp')
 const { processNotifications } = require('../../handler/notification/notification.handler')
 const config = require('../../config/config')()
 const logger = require('../../utils/logger').getLogger()
+
 const ctpClient = ctp.get(config)
 
 // TODO: add JSON schema validation:
 // https://github.com/commercetools/commercetools-adyen-integration/issues/9
 async function handleNotification (request, response) {
+  if (request.method !== 'POST')
+    return httpUtils.sendResponse(response)
   const body = await httpUtils.collectRequestData(request)
   try {
     const notifications = _.get(JSON.parse(body), 'notificationItems', [])
@@ -17,8 +20,8 @@ async function handleNotification (request, response) {
       200,
       { 'Content-Type': 'application/json' },
       JSON.stringify({ notificationResponse: '[accepted]' }))
-  } catch (err) {
-    logger.error(err, 'Unexpected exception occurred')
+  } catch (e) {
+    logger.error(e, 'Unexpected exception occurred')
     return httpUtils.sendResponse(response, 500)
   }
 }
diff --git a/notification/src/config/config.js b/notification/src/config/config.js
index ed07714a1..7ef1b7ab5 100644
--- a/notification/src/config/config.js
+++ b/notification/src/config/config.js
@@ -29,7 +29,7 @@ function getFileConfig () {
   return fileConfig
 }
 
-module.exports = function load() {
+module.exports = function load () {
   /**
    * Load configuration from several sources in this order (last has highest priority):
    * - default config
diff --git a/notification/src/config/init/ensure-interface-interaction-custom-type.js b/notification/src/config/init/ensure-interface-interaction-custom-type.js
index 719417cff..e87c4c67b 100644
--- a/notification/src/config/init/ensure-interface-interaction-custom-type.js
+++ b/notification/src/config/init/ensure-interface-interaction-custom-type.js
@@ -1,17 +1,19 @@
-const Promise = require('bluebird')
+const logger = require('../../utils/logger').getLogger()
 
-const interfaceInteractionTypes = require('../../../test/resources/payment-interface-interaction-types.json')
+const interfaceInteractionType = require('../../../resources/payment-interface-interaction-type.json')
 
 async function ensureInterfaceInteractionCustomType (ctpClient) {
-  await Promise.map(interfaceInteractionTypes, async (type) => {
-    try {
-      const { body } = await ctpClient.fetch(ctpClient.builder.types.where(`key="${type.key}"`))
-      if (body.results.length === 0)
-        await ctpClient.create(ctpClient.builder.types, type)
-    } catch (e) {
-      console.error('Error when creating interface interaction custom type, skipping...', JSON.stringify(e))
+  try {
+    logger.debug('Ensuring interfaceInteraction')
+    const { body } = await ctpClient.fetch(ctpClient.builder.types.where(`key="${interfaceInteractionType.key}"`))
+    if (body.results.length === 0) {
+      logger.debug('Creating interface interaction')
+      await ctpClient.create(ctpClient.builder.types, interfaceInteractionType)
+      logger.info('Successfully created an interfaceInteraction type')
     }
-  }, { concurrency: 3 })
+  } catch (e) {
+    logger.error(e, 'Error when creating interface interaction custom type, skipping...')
+  }
 }
 
 module.exports = {
diff --git a/notification/src/handler/notification/notification.handler.js b/notification/src/handler/notification/notification.handler.js
index 48b4fcf41..38cfc5d58 100644
--- a/notification/src/handler/notification/notification.handler.js
+++ b/notification/src/handler/notification/notification.handler.js
@@ -37,20 +37,22 @@ async function updatePaymentWithRepeater (payment, notification, ctpClient) {
     try {
       /* eslint-disable-next-line no-await-in-loop */
       await ctpClient.update(ctpClient.builder.payments, currentPayment.id, currentVersion, updateActions)
+      logger.debug(`Payment with interfaceId ${currentPayment.interfaceId}`
+        + 'was successfully updated')
       break
-    } catch (err) {
-      if (err.body.statusCode !== 409)
+    } catch (e) {
+      if (e.body.statusCode !== 409)
         throw new Error(`Unexpected error during updating a payment with ID: ${currentPayment.id}. Exiting. `
-          + `Error: ${JSON.stringify(serializeError(err))}`)
+          + `Error: ${JSON.stringify(serializeError(e))}`)
       retryCount += 1
       if (retryCount > maxRetry) {
         retryMessage = 'Got a concurrent modification error'
           + ` when updating payment with id "${currentPayment.id}".`
           + ` Version tried "${currentVersion}",`
-          + ` currentVersion: "${err.body.errors[0].currentVersion}".`
+          + ` currentVersion: "${e.body.errors[0].currentVersion}".`
         throw new Error(`${retryMessage} Won't retry again`
           + ` because of a reached limit ${maxRetry}`
-          + ` max retries. Error: ${JSON.stringify(serializeError(err))}`)
+          + ` max retries. Error: ${JSON.stringify(serializeError(e))}`)
       }
       /* eslint-disable-next-line no-await-in-loop */
       currentPayment = await ctpClient.fetchById(ctpClient.builder.payments, currentPayment.id)
@@ -73,7 +75,10 @@ function calculateUpdateActionsForPayment (payment, notification) {
   if (isNotificationInInterfaceInteraction === false)
     updateActions.push(getAddInterfaceInteractionUpdateAction(notification))
 
-  const { transactionType, transactionState } = getTransactionTypeAndStateOrNull(notificationEventCode, notificationSuccess)
+  const {
+    transactionType,
+    transactionState
+  } = getTransactionTypeAndStateOrNull(notificationEventCode, notificationSuccess)
   if (transactionType !== null) {
     // if there is already a transaction with type `transactionType` then update its `transactionState` if necessary,
     // otherwise create a transaction with type `transactionType` and state `transactionState`
@@ -99,7 +104,7 @@ function getAddInterfaceInteractionUpdateAction (notification) {
       typeId: 'type'
     },
     fields: {
-      timestamp: new Date(),
+      createdAt: new Date(),
       status: notification.NotificationRequestItem.eventCode,
       notification: JSON.stringify(notification)
     }
@@ -115,8 +120,8 @@ function getChangeTransactionStateUpdateAction (transactionId, newTransactionSta
 }
 
 function getTransactionTypeAndStateOrNull (adyenEventCode, adyenEventSuccess) {
-  return _.find(adyenEvents,
-      adyenEvent => adyenEvent.eventCode === adyenEventCode && adyenEvent.success === adyenEventSuccess)
+  // eslint-disable-next-line max-len
+  return _.find(adyenEvents, adyenEvent => adyenEvent.eventCode === adyenEventCode && adyenEvent.success === adyenEventSuccess)
     || {
       eventCode: adyenEventCode,
       success: adyenEventSuccess,
@@ -143,9 +148,9 @@ async function getPaymentByMerchantReference (merchantReference, ctpClient) {
   try {
     const result = await ctpClient.fetch(ctpClient.builder.payments.where(`interfaceId="${merchantReference}"`))
     return _.get(result, 'body.results[0]', null)
-  } catch (err) {
+  } catch (e) {
     throw Error(`Failed to fetch a payment with merchantReference: ${merchantReference}. `
-    + `Error: ${JSON.stringify(serializeError(err))}`)
+    + `Error: ${JSON.stringify(serializeError(e))}`)
   }
 }
 
diff --git a/notification/src/init.js b/notification/src/init.js
index 67e575ba5..ca225ae74 100644
--- a/notification/src/init.js
+++ b/notification/src/init.js
@@ -1,12 +1,14 @@
 const server = require('./server.js').setupServer()
 const { ensureInterfaceInteractionCustomType } = require('./config/init/ensure-interface-interaction-custom-type')
 const ctp = require('./utils/ctp')
+const logger = require('./utils/logger').getLogger()
 const config = require('./config/config')()
+
 const ctpClient = ctp.get(config)
 
 const PORT = process.env.PORT || 443
 
 server.listen(PORT, async () => {
   await ensureInterfaceInteractionCustomType(ctpClient)
-  console.log(`Server running at http://127.0.0.1:${PORT}/`)
+  logger.info(`Server started on ${PORT} port`)
 })
diff --git a/notification/src/server.js b/notification/src/server.js
index f4247bae7..1c643438a 100644
--- a/notification/src/server.js
+++ b/notification/src/server.js
@@ -1,9 +1,9 @@
 const http = require('http')
 const url = require('url')
 const utils = require('./utils/commons')
-const logger = require('./utils/logger').getLogger()
 const { routes: defaultRoutes } = require('./routes')
 require('./config/config')
+const logger = require('./utils/logger').getLogger()
 
 
 function setupServer (routes = defaultRoutes) {
@@ -16,10 +16,10 @@ function setupServer (routes = defaultRoutes) {
         await route(request, response)
       } catch (e) {
         logger.error(e, `Unexpected error when processing URL ${JSON.stringify(parts)}`)
-        utils.sendResponse({ response, statusCode: 500 })
+        utils.sendResponse(response, 500)
       }
     else
-      utils.sendResponse({ response, statusCode: 404 })
+      utils.sendResponse(response, 404)
   })
 }
 
diff --git a/notification/src/utils/ctp.js b/notification/src/utils/ctp.js
index 89bae69a1..2f14523be 100644
--- a/notification/src/utils/ctp.js
+++ b/notification/src/utils/ctp.js
@@ -37,7 +37,7 @@ function createCtpClient ({
       authMiddleware,
       httpMiddleware,
       queueMiddleware
-    ],
+    ]
   })
 }
 
diff --git a/notification/src/utils/logger.js b/notification/src/utils/logger.js
index 199836665..248178fcb 100644
--- a/notification/src/utils/logger.js
+++ b/notification/src/utils/logger.js
@@ -1,13 +1,15 @@
 const bunyan = require('bunyan')
+const { logLevel } = require('../config/config')()
+
 let obj
 
-function getLogger (logLevel) {
-  if( obj === undefined ) {
+function getLogger () {
+  if (obj === undefined) {
     const NOTIFICATION_MODULE_NAME = 'ctp-adyen-integration-notifications'
     obj = bunyan.createLogger({
       name: NOTIFICATION_MODULE_NAME,
-      stream: process.stderr,
-      level: logLevel || bunyan.ERROR
+      stream: process.stdout,
+      level: logLevel || bunyan.INFO
     })
   }
   return obj
diff --git a/notification/test/integration/init/init-resources.js b/notification/test/integration/init/init-resources.js
index e77b2182c..abc32989d 100644
--- a/notification/test/integration/init/init-resources.js
+++ b/notification/test/integration/init/init-resources.js
@@ -1,4 +1,6 @@
-const { ensureInterfaceInteractionCustomType } = require('../../../src/config/init/ensure-interface-interaction-custom-type')
+const {
+  ensureInterfaceInteractionCustomType
+} = require('../../../src/config/init/ensure-interface-interaction-custom-type')
 const { ensurePayment } = require('./ensure-payment')
 
 async function ensureResources (ctpClient) {
diff --git a/notification/test/integration/integration-test-set-up.js b/notification/test/integration/integration-test-set-up.js
index 48bbb131c..192f12a5f 100644
--- a/notification/test/integration/integration-test-set-up.js
+++ b/notification/test/integration/integration-test-set-up.js
@@ -11,7 +11,6 @@ async function prepareProject (ctpClient) {
 async function startServer (testServerPort = 8000) {
   return new Promise(((resolve) => {
     server.listen(testServerPort, async () => {
-      console.log(`Server running at http://127.0.0.1:${testServerPort}/`)
       resolve()
     })
   }))
diff --git a/notification/test/integration/notification.handler.spec.js b/notification/test/integration/notification.handler.spec.js
index b97180fc7..9f2bc1855 100644
--- a/notification/test/integration/notification.handler.spec.js
+++ b/notification/test/integration/notification.handler.spec.js
@@ -12,7 +12,7 @@ const notifications = require('../resources/notification')
 const localhostIp = address()
 
 describe('notification module', () => {
-  let ctpClient = ctpClientBuilder.get(config)
+  const ctpClient = ctpClientBuilder.get(config)
 
   before(async () => {
     await iTSetUp.startServer()
@@ -31,7 +31,7 @@ describe('notification module', () => {
   })
 
   it('should update the transaction state when receives a correct notification', async () => {
-    const { body: { results: [ paymentBefore ] }} = await ctpClient.fetch(ctpClient.builder.payments)
+    const { body: { results: [ paymentBefore ] } } = await ctpClient.fetch(ctpClient.builder.payments)
     expect(paymentBefore.transactions).to.have.lengthOf(1)
     expect(paymentBefore.transactions[0].type).to.equal('Authorization')
     expect(paymentBefore.transactions[0].state).to.equal('Initial')
@@ -40,16 +40,16 @@ describe('notification module', () => {
     // Simulating a notification from Adyen
     const response = await fetch(`http://${localhostIp}:8000`, {
       method: 'post',
-      body:    JSON.stringify(notifications),
+      body: JSON.stringify(notifications),
       headers: { 'Content-Type': 'application/json' },
     })
-    const status = response.status
+    const { status } = response
     const responseBody = await response.json()
 
     expect(responseBody).to.deep.equal({ notificationResponse: '[accepted]' })
     expect(status).to.equal(200)
 
-    const { body: { results: [ paymentAfter ] }} = await ctpClient.fetch(ctpClient.builder.payments)
+    const { body: { results: [ paymentAfter ] } } = await ctpClient.fetch(ctpClient.builder.payments)
     expect(paymentAfter.transactions).to.have.lengthOf(1)
     expect(paymentAfter.transactions[0].type).to.equal('Authorization')
     expect(paymentAfter.transactions[0].state).to.equal('Success')
@@ -58,9 +58,9 @@ describe('notification module', () => {
     expect(paymentAfter.interfaceInteractions[0].fields.notification).to.equal(JSON.stringify(notification))
   })
 
-  it('should not update transaction when the notification event ' +
-    'is not mapped to any CTP payment state', async () => {
-    const { body: { results: [ paymentBefore ] }} = await ctpClient.fetch(ctpClient.builder.payments)
+  it('should not update transaction when the notification event '
+    + 'is not mapped to any CTP payment state', async () => {
+    const { body: { results: [ paymentBefore ] } } = await ctpClient.fetch(ctpClient.builder.payments)
     expect(paymentBefore.transactions).to.have.lengthOf(1)
     expect(paymentBefore.transactions[0].type).to.equal('Authorization')
     expect(paymentBefore.transactions[0].state).to.equal('Initial')
@@ -71,16 +71,16 @@ describe('notification module', () => {
     // Simulating a notification from Adyen
     const response = await fetch(`http://${localhostIp}:8000`, {
       method: 'post',
-      body:    JSON.stringify(modifiedNotification),
+      body: JSON.stringify(modifiedNotification),
       headers: { 'Content-Type': 'application/json' },
     })
-    const status = response.status
+    const { status } = response
     const responseBody = await response.json()
 
     expect(responseBody).to.deep.equal({ notificationResponse: '[accepted]' })
     expect(status).to.equal(200)
 
-    const { body: { results: [ paymentAfter ] }} = await ctpClient.fetch(ctpClient.builder.payments)
+    const { body: { results: [ paymentAfter ] } } = await ctpClient.fetch(ctpClient.builder.payments)
     expect(paymentAfter.transactions).to.have.lengthOf(1)
     expect(paymentAfter.transactions[0].type).to.equal('Authorization')
     expect(paymentAfter.transactions[0].state).to.equal('Initial')
@@ -90,7 +90,7 @@ describe('notification module', () => {
   })
 
   it('should response with success when payment does not exist on the platform', async () => {
-    const { body: { results: [ paymentBefore ] }} = await ctpClient.fetch(ctpClient.builder.payments)
+    const { body: { results: [ paymentBefore ] } } = await ctpClient.fetch(ctpClient.builder.payments)
     expect(paymentBefore.transactions).to.have.lengthOf(1)
     expect(paymentBefore.transactions[0].type).to.equal('Authorization')
     expect(paymentBefore.transactions[0].state).to.equal('Initial')
@@ -101,16 +101,16 @@ describe('notification module', () => {
     // Simulating a notification from Adyen
     const response = await fetch(`http://${localhostIp}:8000`, {
       method: 'post',
-      body:    JSON.stringify(modifiedNotification),
+      body: JSON.stringify(modifiedNotification),
       headers: { 'Content-Type': 'application/json' },
     })
-    const status = response.status
+    const { status } = response
     const responseBody = await response.json()
 
     expect(responseBody).to.deep.equal({ notificationResponse: '[accepted]' })
     expect(status).to.equal(200)
 
-    const { body: { results: [ paymentAfter ] }} = await ctpClient.fetch(ctpClient.builder.payments)
+    const { body: { results: [ paymentAfter ] } } = await ctpClient.fetch(ctpClient.builder.payments)
     expect(paymentAfter.transactions).to.have.lengthOf(1)
     expect(paymentAfter.transactions[0].type).to.equal('Authorization')
     expect(paymentAfter.transactions[0].state).to.equal('Initial')
diff --git a/notification/test/resources/payment-interface-interaction-types.json b/notification/test/resources/payment-interface-interaction-types.json
deleted file mode 100644
index b24e86b6f..000000000
--- a/notification/test/resources/payment-interface-interaction-types.json
+++ /dev/null
@@ -1,57 +0,0 @@
-[
-  {
-    "key": "ctp-adyen-integration-interaction-notification",
-    "name": {
-      "en": "ctp-adyen-integration-interaction-notification"
-    },
-    "resourceTypeIds": [
-      "payment-interface-interaction"
-    ],
-    "fieldDefinitions": [
-      {
-        "name": "timestamp",
-        "label": {
-          "en": "timestamp"
-        },
-        "required": true,
-        "type": {
-          "name": "String"
-        },
-        "inputHint": "SingleLine"
-      },
-      {
-        "name": "transactionId",
-        "label": {
-          "en": "transactionId"
-        },
-        "required": false,
-        "type": {
-          "name": "String"
-        },
-        "inputHint": "SingleLine"
-      },
-      {
-        "name": "notification",
-        "label": {
-          "en": "notification"
-        },
-        "required": true,
-        "type": {
-          "name": "String"
-        },
-        "inputHint": "MultiLine"
-      },
-      {
-        "name": "status",
-        "label": {
-          "en": "status"
-        },
-        "required": false,
-        "type": {
-          "name": "String"
-        },
-        "inputHint": "SingleLine"
-      }
-    ]
-  }
-]
diff --git a/notification/test/unit/ctp-client-mock.js b/notification/test/unit/ctp-client-mock.js
index 72ec6f5b9..bb0a26b78 100644
--- a/notification/test/unit/ctp-client-mock.js
+++ b/notification/test/unit/ctp-client-mock.js
@@ -3,7 +3,6 @@ const { createClient } = require('@commercetools/sdk-client')
 const { createRequestBuilder } = require('@commercetools/api-request-builder')
 
 function createCtpClient () {
-
   const httpMockSuccessMiddleware = next => (request, response) => {
     next(request, { ...response, body: { foo: 'bar' } })
   }
@@ -69,14 +68,14 @@ function getRequestBuilder (projectKey) {
  * */
 function compareTransactionStates (currentState, newState) {
   const transactionStateFlow = {
-    "Initial": 0,
-    "Pending": 1,
-    "Success": 2,
-    "Failure": 2
+    Initial: 0,
+    Pending: 1,
+    Success: 2,
+    Failure: 2
   }
-  if(!transactionStateFlow.hasOwnProperty(currentState) || !transactionStateFlow.hasOwnProperty(newState))
-    throw Error('Wrong transaction state passed. ' +
-      `currentState: ${currentState}, newState: ${newState}`)
+  if (!transactionStateFlow.hasOwnProperty(currentState) || !transactionStateFlow.hasOwnProperty(newState))
+    throw Error('Wrong transaction state passed. '
+      + `currentState: ${currentState}, newState: ${newState}`)
   if (transactionStateFlow[currentState] < transactionStateFlow[newState])
     return 1
   if (transactionStateFlow[currentState] > transactionStateFlow[newState])
@@ -86,6 +85,6 @@ function compareTransactionStates (currentState, newState) {
 
 
 module.exports = {
-  get: (config) => setUpClient(config),
+  get: config => setUpClient(config),
   compareTransactionStates
 }
diff --git a/notification/test/unit/notification.handler.spec.js b/notification/test/unit/notification.handler.spec.js
index d6494be56..2c25c0ca4 100644
--- a/notification/test/unit/notification.handler.spec.js
+++ b/notification/test/unit/notification.handler.spec.js
@@ -18,21 +18,17 @@ const config = {
 }
 
 describe('notification module', () => {
-
   afterEach(() => sandbox.restore())
 
   it('should update payment with a new InterfaceInteraction and payment status '
     + 'when current payment does not have the interfaceInteraction and the transaction'
     + 'which are going to be set', async () => {
-
     const ctpClient = ctpClientMock.get(config)
-    sandbox.stub(ctpClient, 'fetch').callsFake(() => {
-      return {
-        body: {
-          results: [paymentMock]
-        }
+    sandbox.stub(ctpClient, 'fetch').callsFake(() => ({
+      body: {
+        results: [paymentMock]
       }
-    })
+    }))
     const ctpClientUpdateSpy = sandbox.spy(ctpClient, 'update')
     await notificationHandler.processNotifications(notificationsMock, ctpClient)
     const expectedUpdateActions = [
@@ -60,12 +56,12 @@ describe('notification module', () => {
       }
     ]
 
-    // Timestamp is set to the current date during the update action calculation
+    // createdAt is set to the current date during the update action calculation
     // We can't know what is set there
-    expect(ctpClientUpdateSpy.args[0][3][0].fields.timestamp).to.exist
-    const actualUpdateActionsWithoutTimestamp = ctpClientUpdateSpy.args[0][3]
-    delete actualUpdateActionsWithoutTimestamp[0].fields.timestamp
-    expect(actualUpdateActionsWithoutTimestamp).to.deep.equal(expectedUpdateActions)
+    expect(ctpClientUpdateSpy.args[0][3][0].fields.createdAt).to.exist
+    const actualUpdateActionsWithoutCreatedAt = ctpClientUpdateSpy.args[0][3]
+    delete actualUpdateActionsWithoutCreatedAt[0].fields.createdAt
+    expect(actualUpdateActionsWithoutCreatedAt).to.deep.equal(expectedUpdateActions)
   })
 
   it('should update payment with a new InterfaceInteraction but not payment status '
@@ -73,23 +69,21 @@ describe('notification module', () => {
     + 'but has a transaction with the correct status', async () => {
     const modifiedPaymentMock = cloneDeep(paymentMock)
     modifiedPaymentMock.transactions.push({
-      "type": "Authorization",
-      "amount": {
-        "type": "centPrecision",
-        "currencyCode": "EUR",
-        "centAmount": 495,
-        "fractionDigits": 2
+      type: 'Authorization',
+      amount: {
+        type: 'centPrecision',
+        currencyCode: 'EUR',
+        centAmount: 495,
+        fractionDigits: 2
       },
-      "state": "Success"
+      state: 'Success'
     })
     const ctpClient = ctpClientMock.get(config)
-    sandbox.stub(ctpClient, 'fetch').callsFake(() => {
-      return {
-        body: {
-          results: [modifiedPaymentMock]
-        }
+    sandbox.stub(ctpClient, 'fetch').callsFake(() => ({
+      body: {
+        results: [modifiedPaymentMock]
       }
-    })
+    }))
     const ctpClientUpdateSpy = sandbox.spy(ctpClient, 'update')
     await notificationHandler.processNotifications(notificationsMock, ctpClient)
     const expectedUpdateActions = [
@@ -106,12 +100,12 @@ describe('notification module', () => {
       }
     ]
 
-    // Timestamp is set to the current date during the update action calculation
+    // createdAt is set to the current date during the update action calculation
     // We can't know what is set there
-    expect(ctpClientUpdateSpy.args[0][3][0].fields.timestamp).to.exist
-    const actualUpdateActionsWithoutTimestamp = ctpClientUpdateSpy.args[0][3]
-    delete actualUpdateActionsWithoutTimestamp[0].fields.timestamp
-    expect(actualUpdateActionsWithoutTimestamp).to.deep.equal(expectedUpdateActions)
+    expect(ctpClientUpdateSpy.args[0][3][0].fields.createdAt).to.exist
+    const actualUpdateActionsWithoutCreatedAt = ctpClientUpdateSpy.args[0][3]
+    delete actualUpdateActionsWithoutCreatedAt[0].fields.createdAt
+    expect(actualUpdateActionsWithoutCreatedAt).to.deep.equal(expectedUpdateActions)
   })
 
   it('should update payment with a payment status but not new InterfaceInteraction '
@@ -126,17 +120,15 @@ describe('notification module', () => {
       fields: {
         notification: JSON.stringify(notificationsMock[0]),
         status: 'SUCCESS',
-        timestamp: '2019-02-05T12:29:36.028Z'
+        createdAt: '2019-02-05T12:29:36.028Z'
       }
     })
     const ctpClient = ctpClientMock.get(config)
-    sandbox.stub(ctpClient, 'fetch').callsFake(() => {
-      return {
-        body: {
-          results: [modifiedPaymentMock]
-        }
+    sandbox.stub(ctpClient, 'fetch').callsFake(() => ({
+      body: {
+        results: [modifiedPaymentMock]
       }
-    })
+    }))
     const ctpClientUpdateSpy = sandbox.spy(ctpClient, 'update')
     await notificationHandler.processNotifications(notificationsMock, ctpClient)
     const expectedUpdateActions = [
@@ -159,27 +151,25 @@ describe('notification module', () => {
   it('should update transaction with a new state', async () => {
     const modifiedPaymentMock = cloneDeep(paymentMock)
     const notificationsMockClone = cloneDeep(notificationsMock)
-    notificationsMockClone[0].NotificationRequestItem.eventCode = "CAPTURE"
-    notificationsMockClone[0].NotificationRequestItem.success = "false"
+    notificationsMockClone[0].NotificationRequestItem.eventCode = 'CAPTURE'
+    notificationsMockClone[0].NotificationRequestItem.success = 'false'
     modifiedPaymentMock.interfaceInteractions.push({
       type: {
         typeId: 'type',
         id: '3fd15a04-b460-4a88-a911-0472c4c080b3'
       },
       fields: {
-        timestamp: '2019-02-05T12:29:36.028Z',
+        createdAt: '2019-02-05T12:29:36.028Z',
         notification: JSON.stringify(notificationsMockClone[0]),
         status: 'SUCCESS'
       }
     })
     const ctpClient = ctpClientMock.get(config)
-    sandbox.stub(ctpClient, 'fetch').callsFake(() => {
-      return {
-        body: {
-          results: [modifiedPaymentMock]
-        }
+    sandbox.stub(ctpClient, 'fetch').callsFake(() => ({
+      body: {
+        results: [modifiedPaymentMock]
       }
-    })
+    }))
     const ctpClientUpdateSpy = sandbox.spy(ctpClient, 'update')
 
 
@@ -203,33 +193,31 @@ describe('notification module', () => {
         id: '3fd15a04-b460-4a88-a911-0472c4c080b3'
       },
       fields: {
-        timestamp: '2019-02-05T12:29:36.028Z',
+        createdAt: '2019-02-05T12:29:36.028Z',
         notification: JSON.stringify(notificationsMock[0]),
         status: 'SUCCESS'
       }
     })
     const ctpClient = ctpClientMock.get(config)
-    sandbox.stub(ctpClient, 'fetch').callsFake(() => {
-      return {
-        body: {
-          results: [modifiedPaymentMock]
-        }
+    sandbox.stub(ctpClient, 'fetch').callsFake(() => ({
+      body: {
+        results: [modifiedPaymentMock]
       }
-    })
-    sandbox.stub(ctpClient, 'fetchById').callsFake(() => {
-      return {
-        body: {
-          results: [modifiedPaymentMock]
-        }
+    }))
+    sandbox.stub(ctpClient, 'fetchById').callsFake(() => ({
+      body: {
+        results: [modifiedPaymentMock]
       }
-    })
+    }))
     const ctpClientUpdateSpy = sandbox.stub(ctpClient, 'update').callsFake(() => {
       throw concurrentModificationError
     })
     try {
       await notificationHandler.processNotifications(notificationsMock, ctpClient)
-    } catch {
-
+      // eslint-disable-next-line no-empty
+    } catch (e) {
+      // we check retry logic here and it should throw after certain amount
+      // of retries. So the error is expected
     }
     expect(ctpClientUpdateSpy.callCount).to.equal(21)
   })
diff --git a/travis-build.sh b/travis-build.sh
new file mode 100755
index 000000000..a4d095fc3
--- /dev/null
+++ b/travis-build.sh
@@ -0,0 +1,13 @@
+#! /bin/bash
+
+set -e
+
+REPO=$1
+DOCKER_REPOSITORY="commercetools/commercetools-adyen-integration-${REPO}"
+
+cd ./$REPO/
+echo "Building Docker image using tag '${DOCKER_REPOSITORY}:${TRAVIS_TAG}'."
+docker build -t "${DOCKER_REPOSITORY}:${TRAVIS_TAG}" .
+
+echo "Pushing Docker images to repository '${DOCKER_REPOSITORY}'."
+docker push "${DOCKER_REPOSITORY}:${TRAVIS_TAG}"