diff --git a/data/db.json b/data/db.json
new file mode 100644
index 00000000..f2ae48df
--- /dev/null
+++ b/data/db.json
@@ -0,0 +1,19 @@
+{
+  "posts": [
+    {
+      "id": 1,
+      "title": "json-server",
+      "author": "typicode"
+    }
+  ],
+  "comments": [
+    {
+      "id": 1,
+      "body": "some comment",
+      "postId": 1
+    }
+  ],
+  "profile": {
+    "name": "typicode"
+  }
+}
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 0a60a951..ec73e825 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -59,6 +59,19 @@ services:
       retries: 5
       start_period: 30s
 
+  json-server:
+    image: "vimagick/json-server"
+    command: -H 0.0.0.0 -p 5200 --watch db.json
+    container_name: "json_server"
+    ports:
+      - "5200:5200"
+    volumes:
+      - ./data:/data
+    restart: always
+    networks:
+      - webnet
+
+
 # This task is an example of how to extend existing ones:
 #   some_worker:
 #     <<: *web
diff --git a/poetry.lock b/poetry.lock
index ebbbafa3..75895ad5 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1034,6 +1034,20 @@ files = [
 [package.extras]
 tests = ["asttokens", "littleutils", "pytest", "rich"]
 
+[[package]]
+name = "faker"
+version = "12.0.1"
+description = "Faker is a Python package that generates fake data for you."
+optional = false
+python-versions = ">=3.6"
+files = [
+    {file = "Faker-12.0.1-py3-none-any.whl", hash = "sha256:1dc2811f20e163892fefe7006f2ce00778f8099a40aee265bfa60a13400de63d"},
+    {file = "Faker-12.0.1.tar.gz", hash = "sha256:aa7103805ae793277abbb85da9f6f05e76a1a295a9384a8e17c2fba2b3a690cb"},
+]
+
+[package.dependencies]
+python-dateutil = ">=2.4"
+
 [[package]]
 name = "flake8"
 version = "6.1.0"
@@ -1274,6 +1288,42 @@ files = [
 [package.dependencies]
 flake8 = "*"
 
+[[package]]
+name = "flask"
+version = "2.3.3"
+description = "A simple framework for building complex web applications."
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "flask-2.3.3-py3-none-any.whl", hash = "sha256:f69fcd559dc907ed196ab9df0e48471709175e696d6e698dd4dbe940f96ce66b"},
+    {file = "flask-2.3.3.tar.gz", hash = "sha256:09c347a92aa7ff4a8e7f3206795f30d826654baf38b873d0744cd571ca609efc"},
+]
+
+[package.dependencies]
+blinker = ">=1.6.2"
+click = ">=8.1.3"
+itsdangerous = ">=2.1.2"
+Jinja2 = ">=3.1.2"
+Werkzeug = ">=2.3.7"
+
+[package.extras]
+async = ["asgiref (>=3.2)"]
+dotenv = ["python-dotenv"]
+
+[[package]]
+name = "flask-cors"
+version = "4.0.0"
+description = "A Flask extension adding a decorator for CORS support"
+optional = false
+python-versions = "*"
+files = [
+    {file = "Flask-Cors-4.0.0.tar.gz", hash = "sha256:f268522fcb2f73e2ecdde1ef45e2fd5c71cc48fe03cffb4b441c6d1b40684eb0"},
+    {file = "Flask_Cors-4.0.0-py2.py3-none-any.whl", hash = "sha256:bc3492bfd6368d27cfe79c7821df5a8a319e1a6d5eab277a3794be19bdc51783"},
+]
+
+[package.dependencies]
+Flask = ">=0.9"
+
 [[package]]
 name = "flatten-dict"
 version = "0.4.2"
@@ -1599,6 +1649,17 @@ pipfile-deprecated-finder = ["pip-shims (>=0.5.2)", "pipreqs", "requirementslib"
 plugins = ["setuptools"]
 requirements-deprecated-finder = ["pip-api", "pipreqs"]
 
+[[package]]
+name = "itsdangerous"
+version = "2.1.2"
+description = "Safely pass data to untrusted environments and back."
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "itsdangerous-2.1.2-py3-none-any.whl", hash = "sha256:2c2349112351b88699d8d4b6b075022c0808887cb7ad10069318a8b0bc88db44"},
+    {file = "itsdangerous-2.1.2.tar.gz", hash = "sha256:5dbbc68b317e5e42f327f9021763545dc3fc3bfe22e6deb96aaf1fc38874156a"},
+]
+
 [[package]]
 name = "jedi"
 version = "0.19.0"
@@ -1660,6 +1721,22 @@ files = [
 editorconfig = ">=0.12.2"
 six = ">=1.13.0"
 
+[[package]]
+name = "json-server"
+version = "0.1.3"
+description = ""
+optional = false
+python-versions = "*"
+files = [
+    {file = "json_server-0.1.3-py3-none-any.whl", hash = "sha256:5cde2ee14ae3f9feea62823522dadcbfe03846e6fa3c7500237c0d06bc995d8e"},
+    {file = "json_server-0.1.3.tar.gz", hash = "sha256:c512a0d8e7244f13d5deda2c6b054116b68384c0ff3a60b09defa8543b512f8e"},
+]
+
+[package.dependencies]
+click = "*"
+flask = "*"
+flask-cors = "*"
+
 [[package]]
 name = "json5"
 version = "0.9.14"
@@ -1743,6 +1820,16 @@ files = [
     {file = "MarkupSafe-2.1.3-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:5bbe06f8eeafd38e5d0a4894ffec89378b6c6a625ff57e3028921f8ff59318ac"},
     {file = "MarkupSafe-2.1.3-cp311-cp311-win32.whl", hash = "sha256:dd15ff04ffd7e05ffcb7fe79f1b98041b8ea30ae9234aed2a9168b5797c3effb"},
     {file = "MarkupSafe-2.1.3-cp311-cp311-win_amd64.whl", hash = "sha256:134da1eca9ec0ae528110ccc9e48041e0828d79f24121a1a146161103c76e686"},
+    {file = "MarkupSafe-2.1.3-cp312-cp312-macosx_10_9_universal2.whl", hash = "sha256:f698de3fd0c4e6972b92290a45bd9b1536bffe8c6759c62471efaa8acb4c37bc"},
+    {file = "MarkupSafe-2.1.3-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:aa57bd9cf8ae831a362185ee444e15a93ecb2e344c8e52e4d721ea3ab6ef1823"},
+    {file = "MarkupSafe-2.1.3-cp312-cp312-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:ffcc3f7c66b5f5b7931a5aa68fc9cecc51e685ef90282f4a82f0f5e9b704ad11"},
+    {file = "MarkupSafe-2.1.3-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:47d4f1c5f80fc62fdd7777d0d40a2e9dda0a05883ab11374334f6c4de38adffd"},
+    {file = "MarkupSafe-2.1.3-cp312-cp312-manylinux_2_5_i686.manylinux1_i686.manylinux_2_17_i686.manylinux2014_i686.whl", hash = "sha256:1f67c7038d560d92149c060157d623c542173016c4babc0c1913cca0564b9939"},
+    {file = "MarkupSafe-2.1.3-cp312-cp312-musllinux_1_1_aarch64.whl", hash = "sha256:9aad3c1755095ce347e26488214ef77e0485a3c34a50c5a5e2471dff60b9dd9c"},
+    {file = "MarkupSafe-2.1.3-cp312-cp312-musllinux_1_1_i686.whl", hash = "sha256:14ff806850827afd6b07a5f32bd917fb7f45b046ba40c57abdb636674a8b559c"},
+    {file = "MarkupSafe-2.1.3-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:8f9293864fe09b8149f0cc42ce56e3f0e54de883a9de90cd427f191c346eb2e1"},
+    {file = "MarkupSafe-2.1.3-cp312-cp312-win32.whl", hash = "sha256:715d3562f79d540f251b99ebd6d8baa547118974341db04f5ad06d5ea3eb8007"},
+    {file = "MarkupSafe-2.1.3-cp312-cp312-win_amd64.whl", hash = "sha256:1b8dd8c3fd14349433c79fa8abeb573a55fc0fdd769133baac1f5e07abf54aeb"},
     {file = "MarkupSafe-2.1.3-cp37-cp37m-macosx_10_9_x86_64.whl", hash = "sha256:8e254ae696c88d98da6555f5ace2279cf7cd5b3f52be2b5cf97feafe883b58d2"},
     {file = "MarkupSafe-2.1.3-cp37-cp37m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:cb0932dc158471523c9637e807d9bfb93e06a95cbf010f1a38b98623b929ef2b"},
     {file = "MarkupSafe-2.1.3-cp37-cp37m-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:9402b03f1a1b4dc4c19845e5c749e3ab82d5078d16a2a4c2cd2df62d57bb0707"},
@@ -1844,6 +1931,23 @@ files = [
     {file = "mdurl-0.1.2.tar.gz", hash = "sha256:bb413d29f5eea38f31dd4754dd7377d4465116fb207585f97bf925588687c1ba"},
 ]
 
+[[package]]
+name = "mixer"
+version = "7.2.2"
+description = "Mixer -- Is a fixtures replacement. Supported Django ORM, SqlAlchemy ORM, Mongoengine ODM and custom python objects."
+optional = false
+python-versions = ">=3.7"
+files = [
+    {file = "mixer-7.2.2-py3-none-any.whl", hash = "sha256:8089b8e2d00288c77e622936198f5dd03c8ac1603a1530a4f870dc213363b2ae"},
+    {file = "mixer-7.2.2.tar.gz", hash = "sha256:9b3f1a261b56d8f2394f39955f83adbc7ff3ab4bb1065ebfec19a10d3e8501e0"},
+]
+
+[package.dependencies]
+Faker = ">=5.4.0,<12.1"
+
+[package.extras]
+tests = ["Django (>=3.0)", "Flask (>=1.0)", "Marshmallow (>=3.9)", "SQLAlchemy (>=1.1.4)", "flask-sqlalchemy (>=2.1)", "mongoengine (>=0.10.1)", "peewee (>=3.7.0)", "pony (>=0.7)", "psycopg2-binary (>=2.8.4)", "pytest"]
+
 [[package]]
 name = "more-itertools"
 version = "10.1.0"
@@ -2543,6 +2647,20 @@ files = [
 [package.dependencies]
 pytest = ">=5.0.0"
 
+[[package]]
+name = "python-dateutil"
+version = "2.8.2"
+description = "Extensions to the standard Python datetime module"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,>=2.7"
+files = [
+    {file = "python-dateutil-2.8.2.tar.gz", hash = "sha256:0123cacc1627ae19ddf3c27a5de5bd67ee4586fbdd6440d9748f8abb483d3e86"},
+    {file = "python_dateutil-2.8.2-py2.py3-none-any.whl", hash = "sha256:961d03dc3453ebbc59dbdea9e4e11c5651520a876d0f4db161e8674aae935da9"},
+]
+
+[package.dependencies]
+six = ">=1.5"
+
 [[package]]
 name = "python-decouple"
 version = "3.8"
@@ -2583,6 +2701,7 @@ files = [
     {file = "PyYAML-6.0.1-cp310-cp310-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:69b023b2b4daa7548bcfbd4aa3da05b3a74b772db9e23b982788168117739938"},
     {file = "PyYAML-6.0.1-cp310-cp310-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:81e0b275a9ecc9c0c0c07b4b90ba548307583c125f54d5b6946cfee6360c733d"},
     {file = "PyYAML-6.0.1-cp310-cp310-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:ba336e390cd8e4d1739f42dfe9bb83a3cc2e80f567d8805e11b46f4a943f5515"},
+    {file = "PyYAML-6.0.1-cp310-cp310-musllinux_1_1_x86_64.whl", hash = "sha256:326c013efe8048858a6d312ddd31d56e468118ad4cdeda36c719bf5bb6192290"},
     {file = "PyYAML-6.0.1-cp310-cp310-win32.whl", hash = "sha256:bd4af7373a854424dabd882decdc5579653d7868b8fb26dc7d0e99f823aa5924"},
     {file = "PyYAML-6.0.1-cp310-cp310-win_amd64.whl", hash = "sha256:fd1592b3fdf65fff2ad0004b5e363300ef59ced41c2e6b3a99d4089fa8c5435d"},
     {file = "PyYAML-6.0.1-cp311-cp311-macosx_10_9_x86_64.whl", hash = "sha256:6965a7bc3cf88e5a1c3bd2e0b5c22f8d677dc88a455344035f03399034eb3007"},
@@ -2590,8 +2709,15 @@ files = [
     {file = "PyYAML-6.0.1-cp311-cp311-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:42f8152b8dbc4fe7d96729ec2b99c7097d656dc1213a3229ca5383f973a5ed6d"},
     {file = "PyYAML-6.0.1-cp311-cp311-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:062582fca9fabdd2c8b54a3ef1c978d786e0f6b3a1510e0ac93ef59e0ddae2bc"},
     {file = "PyYAML-6.0.1-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:d2b04aac4d386b172d5b9692e2d2da8de7bfb6c387fa4f801fbf6fb2e6ba4673"},
+    {file = "PyYAML-6.0.1-cp311-cp311-musllinux_1_1_x86_64.whl", hash = "sha256:e7d73685e87afe9f3b36c799222440d6cf362062f78be1013661b00c5c6f678b"},
     {file = "PyYAML-6.0.1-cp311-cp311-win32.whl", hash = "sha256:1635fd110e8d85d55237ab316b5b011de701ea0f29d07611174a1b42f1444741"},
     {file = "PyYAML-6.0.1-cp311-cp311-win_amd64.whl", hash = "sha256:bf07ee2fef7014951eeb99f56f39c9bb4af143d8aa3c21b1677805985307da34"},
+    {file = "PyYAML-6.0.1-cp312-cp312-macosx_10_9_x86_64.whl", hash = "sha256:855fb52b0dc35af121542a76b9a84f8d1cd886ea97c84703eaa6d88e37a2ad28"},
+    {file = "PyYAML-6.0.1-cp312-cp312-macosx_11_0_arm64.whl", hash = "sha256:40df9b996c2b73138957fe23a16a4f0ba614f4c0efce1e9406a184b6d07fa3a9"},
+    {file = "PyYAML-6.0.1-cp312-cp312-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:6c22bec3fbe2524cde73d7ada88f6566758a8f7227bfbf93a408a9d86bcc12a0"},
+    {file = "PyYAML-6.0.1-cp312-cp312-musllinux_1_1_x86_64.whl", hash = "sha256:8d4e9c88387b0f5c7d5f281e55304de64cf7f9c0021a3525bd3b1c542da3b0e4"},
+    {file = "PyYAML-6.0.1-cp312-cp312-win32.whl", hash = "sha256:d483d2cdf104e7c9fa60c544d92981f12ad66a457afae824d146093b8c294c54"},
+    {file = "PyYAML-6.0.1-cp312-cp312-win_amd64.whl", hash = "sha256:0d3304d8c0adc42be59c5f8a4d9e3d7379e6955ad754aa9d6ab7a398b59dd1df"},
     {file = "PyYAML-6.0.1-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:50550eb667afee136e9a77d6dc71ae76a44df8b3e51e41b77f6de2932bfe0f47"},
     {file = "PyYAML-6.0.1-cp36-cp36m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:1fe35611261b29bd1de0070f0b2f47cb6ff71fa6595c077e42bd0c419fa27b98"},
     {file = "PyYAML-6.0.1-cp36-cp36m-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:704219a11b772aea0d8ecd7058d0082713c3562b4e271b849ad7dc4a5c90c13c"},
@@ -2608,6 +2734,7 @@ files = [
     {file = "PyYAML-6.0.1-cp38-cp38-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:a0cd17c15d3bb3fa06978b4e8958dcdc6e0174ccea823003a106c7d4d7899ac5"},
     {file = "PyYAML-6.0.1-cp38-cp38-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:28c119d996beec18c05208a8bd78cbe4007878c6dd15091efb73a30e90539696"},
     {file = "PyYAML-6.0.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:7e07cbde391ba96ab58e532ff4803f79c4129397514e1413a7dc761ccd755735"},
+    {file = "PyYAML-6.0.1-cp38-cp38-musllinux_1_1_x86_64.whl", hash = "sha256:49a183be227561de579b4a36efbb21b3eab9651dd81b1858589f796549873dd6"},
     {file = "PyYAML-6.0.1-cp38-cp38-win32.whl", hash = "sha256:184c5108a2aca3c5b3d3bf9395d50893a7ab82a38004c8f61c258d4428e80206"},
     {file = "PyYAML-6.0.1-cp38-cp38-win_amd64.whl", hash = "sha256:1e2722cc9fbb45d9b87631ac70924c11d3a401b2d7f410cc0e3bbf249f2dca62"},
     {file = "PyYAML-6.0.1-cp39-cp39-macosx_10_9_x86_64.whl", hash = "sha256:9eb6caa9a297fc2c2fb8862bc5370d0303ddba53ba97e71f08023b6cd73d16a8"},
@@ -2615,6 +2742,7 @@ files = [
     {file = "PyYAML-6.0.1-cp39-cp39-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:5773183b6446b2c99bb77e77595dd486303b4faab2b086e7b17bc6bef28865f6"},
     {file = "PyYAML-6.0.1-cp39-cp39-manylinux_2_17_s390x.manylinux2014_s390x.whl", hash = "sha256:b786eecbdf8499b9ca1d697215862083bd6d2a99965554781d0d8d1ad31e13a0"},
     {file = "PyYAML-6.0.1-cp39-cp39-manylinux_2_17_x86_64.manylinux2014_x86_64.whl", hash = "sha256:bc1bf2925a1ecd43da378f4db9e4f799775d6367bdb94671027b73b393a7c42c"},
+    {file = "PyYAML-6.0.1-cp39-cp39-musllinux_1_1_x86_64.whl", hash = "sha256:04ac92ad1925b2cff1db0cfebffb6ffc43457495c9b3c39d3fcae417d7125dc5"},
     {file = "PyYAML-6.0.1-cp39-cp39-win32.whl", hash = "sha256:faca3bdcf85b2fc05d06ff3fbc1f83e1391b3e724afa3feba7d13eeab355484c"},
     {file = "PyYAML-6.0.1-cp39-cp39-win_amd64.whl", hash = "sha256:510c9deebc5c0225e8c96813043e62b680ba2f9c50a08d3724c7f28a747d1486"},
     {file = "PyYAML-6.0.1.tar.gz", hash = "sha256:bfdf460b1736c775f2ba9f6a92bca30bc2095067b8a9d77876d1fad6cc3b4a43"},
@@ -2831,7 +2959,8 @@ files = [
     {file = "ruamel.yaml.clib-0.2.7-cp310-cp310-win32.whl", hash = "sha256:763d65baa3b952479c4e972669f679fe490eee058d5aa85da483ebae2009d231"},
     {file = "ruamel.yaml.clib-0.2.7-cp310-cp310-win_amd64.whl", hash = "sha256:d000f258cf42fec2b1bbf2863c61d7b8918d31ffee905da62dede869254d3b8a"},
     {file = "ruamel.yaml.clib-0.2.7-cp311-cp311-macosx_10_9_universal2.whl", hash = "sha256:045e0626baf1c52e5527bd5db361bc83180faaba2ff586e763d3d5982a876a9e"},
-    {file = "ruamel.yaml.clib-0.2.7-cp311-cp311-macosx_12_6_arm64.whl", hash = "sha256:721bc4ba4525f53f6a611ec0967bdcee61b31df5a56801281027a3a6d1c2daf5"},
+    {file = "ruamel.yaml.clib-0.2.7-cp311-cp311-macosx_13_0_arm64.whl", hash = "sha256:1a6391a7cabb7641c32517539ca42cf84b87b667bad38b78d4d42dd23e957c81"},
+    {file = "ruamel.yaml.clib-0.2.7-cp311-cp311-manylinux2014_aarch64.whl", hash = "sha256:9c7617df90c1365638916b98cdd9be833d31d337dbcd722485597b43c4a215bf"},
     {file = "ruamel.yaml.clib-0.2.7-cp311-cp311-manylinux_2_17_x86_64.manylinux2014_x86_64.manylinux_2_24_x86_64.whl", hash = "sha256:41d0f1fa4c6830176eef5b276af04c89320ea616655d01327d5ce65e50575c94"},
     {file = "ruamel.yaml.clib-0.2.7-cp311-cp311-win32.whl", hash = "sha256:f6d3d39611ac2e4f62c3128a9eed45f19a6608670c5a2f4f07f24e8de3441d38"},
     {file = "ruamel.yaml.clib-0.2.7-cp311-cp311-win_amd64.whl", hash = "sha256:da538167284de58a52109a9b89b8f6a53ff8437dd6dc26d33b57bf6699153122"},
@@ -3407,6 +3536,23 @@ pygments = ">=2.4,<3.0"
 setuptools = "*"
 typing_extensions = ">=4.0,<5.0"
 
+[[package]]
+name = "werkzeug"
+version = "2.3.7"
+description = "The comprehensive WSGI web application library."
+optional = false
+python-versions = ">=3.8"
+files = [
+    {file = "werkzeug-2.3.7-py3-none-any.whl", hash = "sha256:effc12dba7f3bd72e605ce49807bbe692bd729c3bb122a3b91747a6ae77df528"},
+    {file = "werkzeug-2.3.7.tar.gz", hash = "sha256:2b8c0e447b4b9dbcc85dd97b6eeb4dcbaf6c8b6c3be0bd654e25553e0a2157d8"},
+]
+
+[package.dependencies]
+MarkupSafe = ">=2.1.1"
+
+[package.extras]
+watchdog = ["watchdog (>=2.3)"]
+
 [[package]]
 name = "win32-setctime"
 version = "1.1.0"
@@ -3441,5 +3587,5 @@ dev = ["doc8", "flake8", "flake8-import-order", "rstcheck[sphinx]", "sphinx"]
 
 [metadata]
 lock-version = "2.0"
-python-versions = "3.11.5"
-content-hash = "b6f24d93edb443bee450e4b8200340134cc77eb2441c980e0ea264df4b23da94"
+python-versions = "3.11.4"
+content-hash = "46cabaaa204e879d48347b2836baa0c44a3e5a0defbb78d1b124a34e2b63b74d"
diff --git a/pyproject.toml b/pyproject.toml
index 19bbf6e4..8e6f2ff4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -66,6 +66,8 @@ dennis = "^1.1"
 dump-env = "^1.3"
 ipython = "^8.15"
 import-linter = "^1.11"
+mixer = "^7.2.2"
+json-server = "^0.1.3"
 
 [tool.poetry.group.docs]
 optional = true
diff --git a/setup.cfg b/setup.cfg
index 34c14369..ef52e1ce 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -100,6 +100,9 @@ filterwarnings =
   ignore::DeprecationWarning:password_reset.*:
   ignore::DeprecationWarning:pytest_freezegun:
 
+markers =
+  slow
+
 
 [coverage:run]
 # Coverage configuration:
diff --git a/tests/conftest.py b/tests/conftest.py
index 96baa556..033c8130 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -6,9 +6,31 @@
 2. https://docs.pytest.org/en/latest/doctest.html
 """
 
+import pytest
+import random
+
+
 pytest_plugins = [
     # Should be the first custom one:
     'plugins.django_settings',
-
+    'plugins.identity.user',
+    'plugins.pictures.pictures'
     # TODO: add your own plugins here!
 ]
+
+
+def pytest_configure(config: pytest.Config) -> None:
+    seed_value = config.getoption("randomly_seed")
+    # рандомный seed:
+    default_seed = random.Random().getrandbits(32)
+
+    if seed_value == 'last':
+        seed = config.cache.get('randomly_seed', default_seed)
+    elif seed_value == 'default':
+        seed = default_seed
+    else:
+        seed = seed_value
+
+    if hasattr(config, 'cache'):
+        config.cache.set('randomly_seed', seed)
+    config.option.randomly_seed = seed
diff --git a/tests/plugins/django_settings.py b/tests/plugins/django_settings.py
index 3b916ed3..dd8dbb12 100644
--- a/tests/plugins/django_settings.py
+++ b/tests/plugins/django_settings.py
@@ -51,3 +51,4 @@ def cache(settings: LazySettings) -> BaseCache:
     # Clearing cache:
     caches[test_cache].clear()
     return caches[test_cache]
+
diff --git a/tests/plugins/identity/user.py b/tests/plugins/identity/user.py
new file mode 100644
index 00000000..294dc866
--- /dev/null
+++ b/tests/plugins/identity/user.py
@@ -0,0 +1,103 @@
+import pytest
+import datetime as dt
+from typing import final, TypedDict
+
+from server.apps.identity.models import User, _UserManager
+
+
+class UserData(TypedDict, total=False):
+    email: str
+    first_name: str
+    last_name: str
+    date_of_birth: dt.datetime
+    address: str
+    job_title: str
+    phone: str
+    password: str
+
+
+@final
+class RegistrationData(UserData):
+    password1: str
+    password2: str
+
+
+@pytest.fixture
+def user_factory():
+    def factory(UserData) -> User:
+        return User.objects.create(**UserData)
+    return factory
+
+
+@pytest.fixture
+def user_model_data() -> UserData:
+    '''
+    можно использовать генерацию данных
+    но у меня было не так много времени
+    поэтому делаю как могу T_T
+    проблема была в poetry
+    '''
+    return UserData(
+        email='amongusguy@email.com',
+        first_name='imposter',
+        last_name='crewmate',
+        date_of_birth=dt.date.today(),
+        address='address',
+        job_title='docker-guy',
+        phone='+79991231234',
+        password='123456789'
+    )
+
+
+@pytest.fixture
+def registration_data() -> RegistrationData:
+    return RegistrationData(
+        email='amon@email.com',
+        first_name='imposter',
+        last_name='crewmate',
+        date_of_birth=dt.date.today(),
+        address='address',
+        job_title='docker-guy',
+        phone='+79991231234',
+        password1='1241',
+        password2='1241'
+    )
+
+
+@pytest.fixture
+def create_user(user_factory, user_model_data) -> User:
+    return user_factory(user_model_data)
+
+
+@pytest.fixture
+def create_superuser() -> User:
+    manager = _UserManager()
+    return manager.create_superuser(
+        email='password@mail.com',
+        password='password'
+    )
+
+
+@pytest.fixture(scope='session')
+def assert_user():
+    def factory(
+            email: str,
+            superuser: bool = False,
+            expected: UserData | None = None
+    ) -> None:
+        user = User.objects.get(email=email)
+        # Special fields:
+        assert user.id
+        assert user.is_active
+        match superuser:
+            case True:
+                assert user.is_superuser
+                assert user.is_staff
+            case False:
+                assert not user.is_superuser
+                assert not user.is_staff
+        # All other fields:
+        if expected:
+            for field_name, data_value in expected.items():
+                assert getattr(user, field_name) == data_value
+    return factory
diff --git a/tests/plugins/pictures/pictures.py b/tests/plugins/pictures/pictures.py
new file mode 100644
index 00000000..6ea72b83
--- /dev/null
+++ b/tests/plugins/pictures/pictures.py
@@ -0,0 +1,46 @@
+from typing import TypedDict
+import pytest
+from mixer.backend.django import mixer
+
+from server.apps.identity.models import User
+from server.apps.pictures.models import FavouritePicture
+
+
+class FavouritePictureData(TypedDict):
+    user: User
+    foreign_id: int
+    url: str
+
+
+@pytest.fixture
+def favourite_picture_data(create_user) -> FavouritePictureData:
+    # ! рекомендую перейти по ссылке :)
+    return FavouritePictureData(
+        user=create_user,
+        foreign_id=1,
+        url='https://www.youtube.com/watch?v=dQw4w9WgXcQ'
+    )
+
+
+@pytest.fixture
+def picture_factory(create_user):
+    def factory(
+        cycle_number: int = 1
+    ) -> FavouritePicture:
+        user = create_user
+        return mixer.cycle(cycle_number).blend(FavouritePicture, user=user)
+    return factory
+
+
+@pytest.fixture
+def assert_favourite_picture():
+    def factory(
+        favourite_picture: FavouritePicture,
+        expected: FavouritePictureData
+    ):
+        # favourite_picture = FavouritePicture.objects.filter(
+        #     id=favourite_picture_id)
+        assert favourite_picture.id
+        for field_name, data_value in expected.items():
+            assert getattr(favourite_picture, field_name) == data_value
+    return factory
diff --git a/tests/test_apps/test_identity/test_identity_models.py b/tests/test_apps/test_identity/test_identity_models.py
new file mode 100644
index 00000000..f00a5349
--- /dev/null
+++ b/tests/test_apps/test_identity/test_identity_models.py
@@ -0,0 +1,18 @@
+import pytest
+
+
+@pytest.mark.django_db
+def test_user_model(
+        create_user,
+        assert_user,
+        user_model_data) -> None:
+    user = create_user
+    assert_user(email=user.email, expected=user_model_data)
+
+
+@pytest.mark.django_db
+def test_super_user(
+        create_superuser,
+        assert_user) -> None:
+    user = create_superuser
+    assert_user(email=user.email, superuser=True)
diff --git a/tests/test_apps/test_identity/test_indentity_user_url.py b/tests/test_apps/test_identity/test_indentity_user_url.py
new file mode 100644
index 00000000..d58343c6
--- /dev/null
+++ b/tests/test_apps/test_identity/test_indentity_user_url.py
@@ -0,0 +1,62 @@
+from http import HTTPStatus
+
+import pytest
+from django.test import Client
+from django.urls import reverse
+
+
+@pytest.mark.timeout(5)
+@pytest.mark.django_db
+def test_registration_view(
+    client: Client,
+    user_model_data,
+    registration_data,
+    assert_user
+) -> None:
+    response = client.post(
+        '/identity/registration',
+        data=registration_data
+    )
+    assert response.status_code == HTTPStatus.FOUND
+    assert response.get('Location') == reverse('identity:login')
+    assert_user(registration_data['email'], user_model_data)
+
+
+@pytest.mark.timeout(5)
+@pytest.mark.django_db
+def test_login(
+    client: Client,
+    user_model_data,
+    assert_user,
+    create_user
+) -> None:
+    user = create_user
+    data = {
+        'username': user.email,
+        'password': user.password
+    }
+    response = client.post(
+        '/identity/login',
+        data=data
+    )
+    assert response.status_code == HTTPStatus.OK
+    assert_user(data['username'], user_model_data)
+
+
+@pytest.mark.timeout(5)
+@pytest.mark.django_db
+def test_user_update(
+    client: Client,
+    create_user,
+    user_model_data,
+    assert_user
+):
+    user = create_user
+    user_model_data['email'] = 'mail@mail.com'
+    data = user_model_data
+    response = client.put(
+        '/identity/update',
+        data=data
+    )
+    assert response.status_code == HTTPStatus.FOUND
+    assert_user(user.email, user_model_data)
diff --git a/tests/test_apps/test_pictures/conftest.py b/tests/test_apps/test_pictures/conftest.py
new file mode 100644
index 00000000..ce41104d
--- /dev/null
+++ b/tests/test_apps/test_pictures/conftest.py
@@ -0,0 +1,11 @@
+# import pytest
+# from mixer.backend.django import mixer
+# from server.apps.pictures.models import FavouritePicture
+
+
+# @pytest.fixture
+# def create_favourite_pictures(
+#     picture_factory,
+#     favourite_picture_data
+# ) -> int:
+#     return mixer.blend(FavouritePicture, user=)
diff --git a/tests/test_apps/test_pictures/test_pictures_logic.py b/tests/test_apps/test_pictures/test_pictures_logic.py
new file mode 100644
index 00000000..2b5a1a21
--- /dev/null
+++ b/tests/test_apps/test_pictures/test_pictures_logic.py
@@ -0,0 +1,37 @@
+import pytest
+
+from server.apps.pictures.logic.repo.queries import favourite_pictures
+from server.apps.pictures.logic.usecases.favourites_list import FavouritesList
+
+
+@pytest.mark.django_db
+@pytest.mark.parametrize(
+    'cycle_number',
+    [1, 3, 9]
+)
+def test_by_user(
+    picture_factory,
+    cycle_number
+) -> None:
+    
+    pictures = picture_factory(cycle_number)
+    user_id = pictures[0].user_id
+    queryset = favourite_pictures.by_user(
+        user_id=user_id)
+    assert len(queryset) == cycle_number
+
+
+@pytest.mark.django_db
+@pytest.mark.parametrize(
+    'cycle_number',
+    [1, 3, 7]
+)
+def test_favourites_list(
+    picture_factory,
+    cycle_number
+) -> None:
+    
+    pictures = picture_factory(cycle_number)
+    user_id = pictures[0].user_id
+    favorites_list = FavouritesList()
+    assert len(favorites_list(user_id)) == cycle_number
diff --git a/tests/test_apps/test_pictures/test_pictures_models.py b/tests/test_apps/test_pictures/test_pictures_models.py
new file mode 100644
index 00000000..10a1694d
--- /dev/null
+++ b/tests/test_apps/test_pictures/test_pictures_models.py
@@ -0,0 +1,14 @@
+import pytest
+
+
+@pytest.mark.django_db
+def test_favourite_picture(
+    picture_factory,
+    assert_favourite_picture
+) -> None:
+    favourite_picture = picture_factory()[0]
+    assert_favourite_picture(
+        favourite_picture=favourite_picture,
+        expected=favourite_picture.__dict__
+    )
+
diff --git a/tests/test_apps/test_pictures/test_pictures_url.py b/tests/test_apps/test_pictures/test_pictures_url.py
new file mode 100644
index 00000000..764f6c9b
--- /dev/null
+++ b/tests/test_apps/test_pictures/test_pictures_url.py
@@ -0,0 +1,29 @@
+from http import HTTPStatus
+
+import pytest
+from django.test import Client
+from django.urls import reverse
+
+
+@pytest.mark.django_db
+def test_dashboard_view(
+    client: Client,
+    picture_factory
+) -> None:
+    picture_factory
+    response = client.get(
+        '/pictures/dashboard'
+    )
+    assert response.status_code == HTTPStatus.FOUND
+
+
+@pytest.mark.django_db
+def test_favourite_picture(
+    client: Client,
+    picture_factory
+) -> None:
+    picture_factory
+    response = client.get(
+        '/pictures/favourites'
+    )
+    assert response.status_code == HTTPStatus.FOUND
diff --git a/tests/test_server/test_urls.py b/tests/test_server/test_urls.py
index 6b59b382..01146242 100644
--- a/tests/test_server/test_urls.py
+++ b/tests/test_server/test_urls.py
@@ -19,6 +19,7 @@ def test_admin_unauthorized(client: Client) -> None:
     assert response.status_code == HTTPStatus.FOUND
 
 
+@pytest.mark.timeout(5)
 @pytest.mark.django_db()
 def test_admin_authorized(admin_client: Client) -> None:
     """This test ensures that admin panel is accessible."""