docker.yml

name: Build and Push Docker Image to GHCR

on:
  push:
    branches:
      - 'master'
  pull_request:

jobs:
  compat-kit:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write # Required to push packages to GHCR
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0  # v7.0.0
        with:
          persist-credentials: false
      - uses: docker/setup-buildx-action@e468171a9de216ec08956ac3ada2f0791b6bd435  # v3.11.1
        with:
          driver: docker-container
      - uses: docker/login-action@184bdaa0721073962dff0199f1fb9940f07167d1  # v3.5.0
        with:
          registry: ghcr.io
          username: ${{ github.actor }} # Uses the GitHub user/org name that triggered the workflow
          password: ${{ secrets.GITHUB_TOKEN }} # Automatically provided by GitHub
      - name: Generate image tags
        id: meta
        env:
          REF: ${{ github.ref }}
          EVENT_NAME: ${{ github.event_name }}
          REPOSITORY: ${{ github.repository }}
          EVENT_NUMBER: ${{ github.event.number }}
        run: |
          if [[ "$REF" == "refs/heads/master" ]]; then
            echo "tags=ghcr.io/$REPOSITORY/compat-kit:latest" >> $GITHUB_OUTPUT
            echo "push=true" >> $GITHUB_OUTPUT
          elif [[ "$EVENT_NAME" == "pull_request" ]]; then
            echo "tags=ghcr.io/$REPOSITORY/compat-kit:pr-$EVENT_NUMBER" >> $GITHUB_OUTPUT
            echo "push=true" >> $GITHUB_OUTPUT
          else
            echo "push=false" >> $GITHUB_OUTPUT
          fi
          echo "created=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
      - uses: docker/build-push-action@263435318d21b8e681c14492fe198d362a7d2c83  # v6.18.0
        with:
          context: ./
          file: ./compat_kit/Dockerfile
          push: ${{ steps.meta.outputs.push }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: |
            org.opencontainers.image.revision=${{ github.sha }}
            org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
            org.opencontainers.image.created=${{ steps.meta.outputs.created }}
          cache-from: type=gha,scope=${{ github.ref_name }}-compat-kit # Cache layers to speed up builds
          cache-to: type=gha,mode=max,scope=${{ github.ref_name }}-compat-kit # Store layers in cache for future builds