name: Docker Release

on:
  push:
    branches:
      - main
    tags:
      - "v*"

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  # Build amd64 image
  build-amd64:
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    outputs:
      image-digest: ${{ steps.build.outputs.digest }}
      image-metadata: ${{ steps.meta.outputs.json }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{version}},suffix=-amd64
            type=semver,pattern={{version}},suffix=-arm64
            type=ref,event=branch,suffix=-amd64
            type=ref,event=branch,suffix=-arm64

      - name: Build and push amd64 image
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/amd64
          labels: ${{ steps.meta.outputs.labels }}
          tags: ${{ steps.meta.outputs.tags }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          provenance: false
          push: true

  # Build arm64 image
  build-arm64:
    runs-on: ubuntu-24.04-arm
    permissions:
      packages: write
      contents: read
    outputs:
      image-digest: ${{ steps.build.outputs.digest }}
      image-metadata: ${{ steps.meta.outputs.json }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4

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

      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}
            type=semver,pattern={{version}},suffix=-amd64
            type=semver,pattern={{version}},suffix=-arm64
            type=ref,event=branch,suffix=-amd64
            type=ref,event=branch,suffix=-arm64

      - name: Build and push arm64 image
        id: build
        uses: docker/build-push-action@v6
        with:
          context: .
          platforms: linux/arm64
          labels: ${{ steps.meta.outputs.labels }}
          tags: ${{ steps.meta.outputs.tags }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          provenance: false
          push: true

  # Create multi-platform manifest
  create-manifest:
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    needs: [build-amd64, build-arm64]
    steps:
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata for manifest
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=ref,event=branch
            type=semver,pattern={{version}}

      - name: Create and push manifest
        run: |
          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            ${{ needs.build-amd64.outputs.image-digest }} \
            ${{ needs.build-arm64.outputs.image-digest }}
        env:
          DOCKER_METADATA_OUTPUT_JSON: ${{ steps.meta.outputs.json }}