name: Publish on DockerHub

on:
  push:
    tags: ['*']
  workflow_dispatch:

jobs:
  publish:
    runs-on: docker
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      # The `docker` runner image is node-based and may not ship the docker CLI
      # that the docker/* actions below drive; install it idempotently, as the
      # sibling repos do for their Docker jobs.
      - name: Ensure Docker CLI
        run: |
          set -eux
          if ! command -v docker >/dev/null 2>&1; then
            ARCH=$(uname -m)
            curl -fsSL --retry 3 --retry-connrefused \
              "https://download.docker.com/linux/static/stable/${ARCH}/docker-27.5.1.tgz" \
              | tar xz --strip-components=1 -C /usr/local/bin docker/docker
          fi
          docker --version

      # Marketplace actions must be referenced by full URL: this instance's
      # DEFAULT_ACTIONS_URL points at code.forgejo.org, so only bare `actions/*`
      # names resolve to GitHub automatically.
      - name: Set up QEMU
        uses: https://github.com/docker/setup-qemu-action@v3

      - name: Set up Docker Buildx
        uses: https://github.com/docker/setup-buildx-action@v3

      - name: Log in to Docker Hub
        uses: https://github.com/docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Extract metadata for the Docker image
        id: meta
        uses: https://github.com/docker/metadata-action@v5
        with:
          images: schmelczera/great-ai

      - name: Build and push
        uses: https://github.com/docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64,linux/arm64