docker.yml

name: Docker

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]



jobs:
  Build-and-Push:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Prepare Docker Meta
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/transprogrammer/rodhaj
          tags: |
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=semver,pattern={{major}}
            type=edge,branch=main
            type=ref,event=pr

      - name: Setup Docker Buildx
        id: buildx
        uses: docker/setup-buildx-action@v3
        with:
          version: latest

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        # Skip when PR from a fork
        if: ${{ !github.event.pull_request.head.repo.fork }}
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}


      - name: Determine build cache output
        id: cache-target
        run: |
          if [[ "${{ github.event_name }}" == "pull_request" ]]; then
            # Essentially just ignore the cache output (PR can't write to registry cache)
            echo "cache-to=type=local,dest=/tmp/discard,ignore-error=true" >> $GITHUB_OUTPUT
          else
            echo "cache-to=type=registry,mode=max,ref=ghcr.io/${{ github.repository_owner }}/rodhaj:bot" >> $GITHUB_OUTPUT
          fi

      - name: Build and push image
        uses: docker/build-push-action@v6
        with:
          context: .
          file: ./docker/Dockerfile
          # Skip pushing when PR from a fork
          push: ${{ !github.event.pull_request.head.repo.fork }}
          cache-from: type=registry,ref=ghcr.io/${{ github.repository_owner }}/rodhaj:bot
          cache-to: ${{ steps.cache-target.outputs.cache-to }}
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}