ci: dockerize jandapress

.dockerignore

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+node_modules
+npm-debug.log

.github/workflows/docker.yml

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+name: docker hub
+
+# Controls when the action will run. 
+on:
+  # Triggers the workflow on push or pull request events but only for the main branch
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+  
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains multiple jobs
+  build_test:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [14.x]
+        
+    # Steps represent a sequence of tasks that will be executed as part of the job
+    steps:
+      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
+      - uses: actions/checkout@v2
+
+      - name: setup node
+        uses: actions/setup-node@master
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      # install applicaion dependencies
+      - name: Install dependencies
+        run: |
+          npm install
+          npm ci 
+
+      # build and test the apps     
+      - name: build
+        run: |
+          npm run build
+
+  push_to_Docker_Hub:
+      # The type of runner that the job will run on
+      runs-on: ubuntu-latest
+      # build docker image and push to docker hub
+      # only if the app build and test successfully
+      needs: [build_test]
+
+      steps:
+        - name: checkout repo
+          uses: actions/checkout@v2
+
+        - name: Set up QEMU
+          uses: docker/setup-qemu-action@v1
+      
+        - name: Set up Docker Buildx
+          uses: docker/setup-buildx-action@v1
+
+        - name: Login to DockerHub
+          uses: docker/login-action@v1
+          with:
+            username: ${{ secrets.DOCKERHUB_USERNAME }}
+            password: ${{ secrets.DOCKERHUB_TOKEN }}
+      
+        - name: Build and push
+          uses: docker/build-push-action@v2
+          with:
+            context: ./
+            file: ./Dockerfile
+            push: true
+            tags: ${{ secrets.DOCKERHUB_USERNAME }}/nodejs-demo:latest
+          
+        - name: Run the image in a container
+          uses: addnab/docker-run-action@v3
+          with:
+            image: ${{ secrets.DOCKERHUB_USERNAME }}/nodejs-demo:latest
+            run: |
+              echo "runing the docker image"
+              echo ${{ steps.docker_build.outputs.digest }}

Dockerfile

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+FROM node:latest
+WORKDIR /srv/app
+COPY package*.json ./
+RUN npm install
+COPY . .
+RUN npm run build
+EXPOSE 3000
+CMD ["node", "build/src/index.js"]