name: Build and publish HopGate image to GHCR

on:
  push:
    branches: [ main ]
    tags:
      - 'v*.*.*'
  workflow_dispatch:

env:
  IMAGE_NAME: ghcr.io/${{ github.repository_owner }}/hop-gate

jobs:
  build-and-push:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3

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

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

      - name: Extract metadata (tags, labels)
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=ref,event=tag
            type=sha,prefix=sha-,format=short
            type=raw,value=latest,enable={{is_default_branch}}

      - name: Build and push multi-arch image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./Dockerfile.server
          push: true
          platforms: linux/amd64,linux/arm64
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          build-args: |
            VERSION=${{ github.sha }}