GHCR-package.yml

name: Build and Push Docker image to Github Container Registry

#on:
 push:
    branches:
     - main

# Define the concurrency group
concurrency: 
  group: ghcr-build-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    outputs:
      image_tag: ${{ steps.set_output.outputs.image_tag }} # This will set the output for the job
    steps:
    - name: Check out the code
      uses: actions/checkout@v2

    - name: Log in to GitHub Container Registry
      uses: docker/login-action@v1
      with:
        registry: ghcr.io
        username: ${{ github.actor }}
        password: ${{ secrets.GHCR_PAT }}

    - name: Set lowercase repository owner and set image tag
      id: set_output
      run: |
        REPO_OWNER=$(echo ${{ github.repository_owner }} | awk '{print tolower($0)}')
        IMAGE_TAG="v1.2.1"
        echo "REPO_OWNER=$REPO_OWNER" >> $GITHUB_ENV
        echo "IMAGE_TAG=$IMAGE_TAG" >> $GITHUB_ENV
        echo "::set-output name=image_tag::$IMAGE_TAG"  # This sets the output for image tag

    - name: Build Docker image with specific tag
      run: |
        echo "Building Image: ghcr.io/${{ env.REPO_OWNER }}/ghcr-democicdapp:${{ env.IMAGE_TAG }}"
        docker build . -t ghcr.io/${{ env.REPO_OWNER }}/ghcr-democicdapp:${{ env.IMAGE_TAG }}

    - name: Push Docker image to GitHub Container Registry
      run: |
        echo "Pushing Image: ghcr.io/${{ env.REPO_OWNER }}/ghcr-democicdapp:${{ env.IMAGE_TAG }}"
        docker push ghcr.io/${{ env.REPO_OWNER }}/ghcr-democicdapp:${{ env.IMAGE_TAG }}

    - name: Tag and push Docker image with commit SHA
      run: |
        echo "Tagging and Pushing SHA: ${{ github.sha }}"
        docker tag ghcr.io/${{ env.REPO_OWNER }}/ghcr-democicdapp:${{ env.IMAGE_TAG }} ghcr.io/${{ env.REPO_OWNER }}/ghcr-democicdapp:${{ github.sha }}
        docker push ghcr.io/${{ env.REPO_OWNER }}/ghcr-democicdapp:${{ github.sha }}