name: Publish docker image (latest)

env:
  DOCKER_IMAGE: katanemo/archgw

on:
  push:
    branches:
      - main

jobs:
  # Build ARM64 image on native ARM64 runner
  build-arm64:
    runs-on: [linux-arm64]
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

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

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.DOCKER_IMAGE }}
          tags: |
            type=raw,value=latest  # Force the tag to be "latest"

      - name: Build and Push ARM64 Image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./arch/Dockerfile
          platforms: linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}-arm64

  # Build AMD64 image on GitHub's AMD64 runner
  build-amd64:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4

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

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.DOCKER_IMAGE }}
          tags: |
            type=raw,value=latest  # Force the tag to be "latest"

      - name: Build and Push AMD64 Image
        uses: docker/build-push-action@v5
        with:
          context: .
          file: ./arch/Dockerfile
          platforms: linux/amd64
          push: true
          tags: ${{ steps.meta.outputs.tags }}-amd64


  # Combine ARM64 and AMD64 images into a multi-arch manifest
  create-manifest:
    runs-on: ubuntu-latest
    needs: [build-arm64, build-amd64]  # Wait for both builds
    steps:
      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ${{ env.DOCKER_IMAGE }}
          tags: |
            type=raw,value=latest  # Force the tag to be "latest"

      - name: Create Multi-Arch Manifest
        run: |
          # Combine the architecture-specific images into a "latest" manifest
          docker buildx imagetools create -t ${{ steps.meta.outputs.tags }} \
            ${{ env.DOCKER_IMAGE }}:latest-arm64 \
            ${{ env.DOCKER_IMAGE }}:latest-amd64