update old code

Author: SilentImp

.babelrc

@@ -1,14 +1,23 @@
 {
+  "extends": ["airbnb", "prettier"],
   "parser": "babel-eslint",
-  "extends": "airbnb",
   "plugins": [
     "react",
     "jsx-a11y",
-    "import"
+    "import",
+    "jest"
   ],
   "env": {
+    "browser": true,
     "node": true,
     "jest": true,
+    "worker": true,
+    "serviceworker": true,
     "es6": true
+  },
+  "rules": {
+    "no-underscore-dangle": ["error", {
+      "allow": ["_id", "__filename", "__dirname"]
+    }]
   }
 }

.eslintrc

@@ -1,45 +1,10 @@
-# docker run -it node:8.12-alpine /bin/bash
-# ---- Base Node ----
-FROM node:10-alpine AS base
-# Preparing
+FROM node:14-alpine AS base
+RUN apk add --update bash && rm -rf /var/cache/apk/*
 RUN mkdir -p /var/app && chown -R node /var/app
-# Set working directory
 WORKDIR /var/app
-# Copy project file
-COPY package.json .
-COPY package-lock.json .
-
-#
-# ---- Dependencies ----
-FROM base AS dependencies
-RUN apk add --update python build-base
-# install node packages
-RUN npm ci --only=prod --silent
-# copy production node_modules aside
-RUN cp -R node_modules prod_node_modules
-# install ALL node_modules, including 'devDependencies'
-RUN npm ci --silent
-# Run in production mode
-
-#
-# ---- Test & Build ----
-# run linters, setup and tests
-FROM dependencies AS build
 COPY . .
-# Setup environment variables
-RUN npm run build
-
-#
-# ---- Release ----
-FROM base AS release
-RUN apk add --update bash && rm -rf /var/cache/apk/*
-# copy production node_modules
-COPY --from=dependencies /var/app/prod_node_modules ./node_modules
-COPY --from=build /var/app/build ./build
-# COPY --from=build /var/app/source ./source
-
-# Setup environment variables
+RUN npm ci --only=prod --silent
 ENV NODE_ENV=production
-# expose port and define CMD
-EXPOSE 4000
+EXPOSE 3000
+HEALTHCHECK --interval=30s --timeout=5s CMD curl --fail http://0.0.0.0:3000 || exit 1
 CMD npm run start