Integrated docker and ci-cd

Author: rajpatelbot

backend/.github/workflow/cicd.yml

@@ -0,0 +1,30 @@
+name: Deploy Node Application
+
+on:
+  push:
+    branches:
+      - mern-ec2-docker
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Source
+        uses: actions/checkout@v4
+      - name: Login to docker hub
+        run: docker login -u ${{ secrets.DOCKER_USERNAME }} -p ${{ secrets.DOCKER_PASSWORD }}
+      - name: Build Docker Image
+        run: docker build -t rajpatelbot/noteapp-backend  .
+      - name: Publish Image to docker hub
+        run: docker push rajpatelbot/noteapp-backend:latest
+
+  deploy:
+    needs: build
+    runs-on: self-hosted
+    steps:
+      - name: Pull image from docker hub
+        run: docker pull rajpatelbot/noteapp-backend:latest
+      - name: Delete old container
+        run: docker rm -f nodejs-app-container
+      - name: Run Docker Container
+        run: docker run -d -p 4000:4000 --name nodejs-app-container -e MONGO_PASSWORD='${{ secrets.MONGO_PASSWORD }}' rajpatelbot/noteapp-backend

backend/Dockerfile

@@ -0,0 +1,7 @@
+FROM node:alpine3.18
+WORKDIR /app
+COPY package.json ./
+RUN npm install
+COPY . .
+EXPOSE 4000
+CMD [ "npm", "run", "start" ]

backend/package.json

@@ -4,7 +4,7 @@
   "description": "",
   "main": "server.js",
   "scripts": {
-    "dev": "node server.js",
+    "start": "node server.js",
     "heroku-postbuild": "cd frontend && npm install && npm run build"
   },
   "keywords": [],