lg-airco-modbus-mqtt/.github/workflows/build.yaml

name: Build prod docker app

on:
  push:
    branches: [ main ]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Check out code
        uses: actions/checkout@v3

      - name: Login to Docker Hub
        uses: docker/login-action@v2
        with:
          registry: registry.hub.docker.com
          username: ${{ secrets.REGISTRY_USERNAME }}
          password: ${{ secrets.REGISTRY_SECRET }}

      - name: Set up Docker Context for Buildx
        id: buildx-context
        run: |
          docker context create builders          
      - name: Set up Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v2
        with:
          version: latest
          endpoint: builders
      - name: Get version
        id: get_version
        run: |
          echo "VERSION=$(cat version.info)" >> $GITHUB_ENV          

      - name: Build and push Docker image
        uses: docker/build-push-action@v4
        with:
          context: .
          file: ./Dockerfile
          push: true
          tags: registry.hub.docker.com/${{ secrets.REGISTRY_USERNAME }}/${{ github.event.repository.name }}:${{ env.VERSION }}
          platforms: linux/amd64,linux/arm64


      - name: Create Release
        id: create_release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
        with:
          tag_name: ${{ env.VERSION }}
          release_name: Release ${{ env.VERSION }}
          body: |
            Changes in this Release:
            - Docker image for version ${{ env.VERSION }} available at: 
              `registry.hub.docker.com/${{ secrets.REGISTRY_USERNAME }}/${{ github.event.repository.name }}:${{ env.VERSION }}`            
          draft: false
          prerelease: false