docker-img.yml

name: Build and deploy Docker images

on: push

jobs:
  build:
    name: Build image '${{ matrix.version }}'
    
    if: ${{ github.repository_owner  == 'varigit' }}

    strategy:
      matrix:
        version:
          - 14.04
          - 16.04
          - 18.04
          - 20.04
          - 22.04
    
    runs-on: ubuntu-20.04

    steps:
    - name: Checkout source code
      uses: actions/checkout@f43a0e5ff2bd294095638e18286ca9a3d1956744

    - name: Get commit SHA
      run: echo "SHORT_SHA=`echo ${GITHUB_SHA} | cut -c1-8`" >> $GITHUB_ENV

    - name: Login to GitHub Packages
      uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Build and push Docker image
      uses: docker/build-push-action@b32b51a8eda65d6793cd0494a773d4f6bcef32dc
      with:
        context: .
        push: true
        tags: 
          ghcr.io/${{ github.repository }}/yocto-env:${{ matrix.version }}-${{ env.SHORT_SHA }},
          ghcr.io/${{ github.repository }}/yocto-env:${{ matrix.version }}-latest
        file: Dockerfile_${{ matrix.version }}