build-push-image.yml

name: Build and Push Container Image

on:
  push:
    branches:
      - '**'  # Triggers on push to any branch
  pull_request:
    branches:
      - main
      - master

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install Podman
        run: |
          sudo apt-get update
          sudo apt-get install -y podman
          podman --version
          # Configure Podman to work in CI environment
          sudo mkdir -p /etc/containers
          echo -e "[registries.search]\nregistries = ['docker.io', 'quay.io', 'ghcr.io']" | sudo tee /etc/containers/registries.conf

      - name: Extract metadata (tags, labels) for container
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha,prefix={{branch}}-
            type=sha
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Log in to GitHub Container Registry
        run: |
          echo "${{ secrets.GITHUB_TOKEN }}" | podman login ${{ env.REGISTRY }} -u ${{ github.actor }} --password-stdin

      - name: Build container image
        run: |
          # Build with all tags (tags from metadata action are already full image references)
          TAGS="${{ steps.meta.outputs.tags }}"
          
          # Collect all tag arguments
          TAG_ARGS=""
          while IFS= read -r tag; do
            if [ -n "$tag" ]; then
              # Tags from metadata action are already full image references
              TAG_ARGS="$TAG_ARGS --tag ${tag}"
            fi
          done <<< "$TAGS"
          
          # Build the image with all tags
          podman build --file ./Dockerfile $TAG_ARGS .

      - name: Push container image
        if: github.event_name != 'pull_request'
        run: |
          # Push all tags (tags from metadata action are already full image references)
          TAGS="${{ steps.meta.outputs.tags }}"
          while IFS= read -r tag; do
            if [ -n "$tag" ]; then
              # Tags from metadata action are already full image references
              podman push "${tag}"
            fi
          done <<< "$TAGS"