build-push-docker-image.yml

name: Build and Push Docker Image

on:
  push:
    branches:
      - master
      - dev

jobs:
  docker:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Docker Image Name
        run: echo "IMAGE_NAME=shawon10/python-flask-cicd" >> $GITHUB_ENV

      - name: Docker Image Tag
        run: echo "IMAGE_TAG=$(git rev-parse --short HEAD)" >> $GITHUB_ENV

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Build and push (Master)
        if: github.ref == 'refs/heads/master'
        uses: docker/build-push-action@v3
        with:
          push: true
          tags: 
            ${{env.IMAGE_NAME}}:${{env.IMAGE_TAG}}

      - name: Deploy on AWS EC2
        env:
          PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
          HOSTNAME: ${{ secrets.HOSTNAME }}
          USER_NAME: ${{ secrets.USERNAME }}
          IMAGE_TAG: ${{env.IMAGE_TAG}}
          IMAGE_NAME: ${{env.IMAGE_NAME}}
        run: |
          echo "$PRIVATE_KEY" > private_key.pem && chmod 600 private_key.pem
          ls
          sed -i -e 's|IMAGE_TAG|'"$IMAGE_TAG"'|' ${{github.workspace}}/docker-compose.yml
          sed -i -e 's|DOCKER_REGISTRY|'"$IMAGE_NAME"'|' ${{github.workspace}}/docker-compose.yml
          scp -o StrictHostKeyChecking=no -i private_key.pem ${{github.workspace}}/docker-compose.yml ${USER_NAME}@${HOSTNAME}:/tmp
          ssh -o StrictHostKeyChecking=no -i private_key.pem ${USER_NAME}@${HOSTNAME} '
             
              cd /tmp
              docker-compose up -d
          '