Support dockerized bundling, add tests

Author: logandk

Diff for: .eslintrc.js

@@ -0,0 +1,16 @@
+module.exports = {
+  env: {
+    es6: true,
+    node: true
+  },
+  extends: "eslint:recommended",
+  parserOptions: {
+    sourceType: "module"
+  },
+  rules: {
+    indent: ["error", 2],
+    "linebreak-style": ["error", "unix"],
+    quotes: ["warn", "double", { avoidEscape: true }],
+    semi: ["error", "always"]
+  }
+};

Diff for: .gitignore

@@ -1,3 +1,46 @@
+# Logs
+logs
+*.log
+npm-debug.log
+
+# Runtime data
+pids
+*.pid
+*.seed
+dist
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
 coverage
+.coverage
+htmlcov
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (http://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directory
+# https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git
 node_modules
+
+#IDE Stuff
+**/.idea
+
+#OS STUFF
+.DS_Store
+.tmp
+
+#SERVERLESS STUFF
+admin.env
+.env
+
+#RUBY STUFF
+simplecov
 vendor

Diff for: Dockerfile

@@ -0,0 +1,2 @@
+FROM lambci/lambda:build-ruby2.5
+CMD ["/bin/bash", "-c", "bundle install --path vendor/bundle && chown -Rf `stat -c \"%u:%g\" .` .bundle vendor"]