image.yml

name: github packages

on:
  # Rebuild the container once every week
  schedule:
    - cron: "0 1 * * 1"
  push:
    branches:
      - "master"
    paths:
      - "Dockerfile"
      - ".github/workflows/image.yml"
  pull_request:
    paths:
      - "Dockerfile"
      - ".github/workflows/image.yml"
  workflow_dispatch:
env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}/gtk4

jobs:
  docker:
    permissions:
      contents: read
      packages: write
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Log in to the Container registry
        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@9ec57ed1fcdbf14dcef7dfbe97b2010124a938b7
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            # set latest tag for master branch
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'master') }}

      - name: Build and push Docker image
        uses: docker/build-push-action@f2a1d5e99d037542a71f64918e516c093c6f3fc4
        with:
          push: ${{ github.event_name != 'pull_request' }}
          context: .
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}