name: Publish Container
on:
  push:
    branches:
      - main
  pull_request:
  schedule:
    - cron: "0 0 * * 0"

jobs:
  publish:
    name: Publish rfd-fyi
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6

      - name: Prepare
        id: prep
        run: |
          IMAGE_NAME=ghcr.io/${{ github.repository_owner }}/rfd-fyi
          VERSION=${GITHUB_REF##*/}
          if [[ $GITHUB_REF == refs/heads/main ]]; then
            VERSION=latest
          fi
          if [[ $GITHUB_REF == refs/tags/* ]]; then
            VERSION=${GITHUB_REF#refs/tags/v}
          fi
          TAGS="${IMAGE_NAME}:${VERSION}"
          if [[ $VERSION =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
            TAGS="$TAGS,${IMAGE_NAME}:latest"
          fi
          echo "tags=${TAGS}" >> $GITHUB_OUTPUT

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

      - name: Login to GitHub Packages Docker Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build / push
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./Dockerfile
          push: ${{ github.ref == 'refs/heads/main' }}
          tags: ${{ steps.prep.outputs.tags }}