build-images.yml

name: Docker Image CI for GHCR
on:
  push:
    branches:
      - main
    tags:
      - v*
  schedule:
    - cron: "7 23 * * *"
  workflow_dispatch:

env:
  REGISTRY: ghcr.io

jobs:
  build_and_publish:
    runs-on: ubuntu-latest
    permissions:
      packages: write
    strategy:
      matrix:
        image: [cudesch]
    steps:
      - uses: actions/checkout@v5

      - name: Login to registry
        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Extract metadata for the Docker image
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: ${{ env.REGISTRY }}/${{ github.repository }}-${{ matrix.image }}
          tags: |
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push
        uses: docker/build-push-action@v6
        with:
          context: ${{ matrix.image }}
          push: true
          tags: ${{ steps.meta.outputs.tags }}