docker.yaml

name: Docker CI

on: [push, pull_request]

jobs:
  build-export:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

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

      - name: Build
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64
          push: false
          tags: localhost/darkness4/katago:test

      - name: Login to GitHub Container Registry
        if: startsWith(github.ref, 'refs/tags/')
        uses: docker/login-action@v3
        with:
          registry: docker.io
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Docker meta
        if: startsWith(github.ref, 'refs/tags/')
        id: meta
        uses: docker/metadata-action@v5
        with:
          flavor: |
            latest=true
          images: |
            docker.io/darkness4/katago
          tags: |
            type=ref,event=tag
            type=sha

      - name: Tag and export
        if: startsWith(github.ref, 'refs/tags/')
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}

      - name: Login to GHCR
        if: ${{ github.ref == 'refs/heads/main' }}
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Docker meta
        if: startsWith(github.ref, 'refs/tags/')
        id: meta-ghcr
        uses: docker/metadata-action@v5
        with:
          flavor: |
            latest=true
          images: |
            ghcr.io/darkness4/katago
          tags: |
            type=ref,event=tag
            type=sha

      - name: Build and export
        if: startsWith(github.ref, 'refs/tags/')
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta-ghcr.outputs.tags }}
          labels: ${{ steps.meta-ghcr.outputs.labels }}