name: Build and push multi-arch DocsGPT Docker image

on:
  workflow_dispatch:
  push:
    branches:
      - main

jobs:
  build:
    if: github.repository == 'arc53/DocsGPT'
    strategy:
      matrix:
        include:
          - platform: linux/amd64
            runner: ubuntu-latest
            suffix: amd64
          - platform: linux/arm64
            runner: ubuntu-24.04-arm
            suffix: arm64
    runs-on: ${{ matrix.runner }}
    permissions:
      contents: read
      packages: write
    steps:
      - uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver: docker-container
          install: true

      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      
      - name: Login to ghcr.io
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Build and push platform-specific images
        uses: docker/build-push-action@v6
        with:
          file: './application/Dockerfile'
          platforms: ${{ matrix.platform }}
          context: ./application
          push: true
          tags: |
            ${{ secrets.DOCKER_USERNAME }}/docsgpt:develop-${{ matrix.suffix }}
            ghcr.io/${{ github.repository_owner }}/docsgpt:develop-${{ matrix.suffix }}
          provenance: false
          sbom: false
          cache-from: type=registry,ref=${{ secrets.DOCKER_USERNAME }}/docsgpt:develop
          cache-to: type=inline

  manifest:
    if: github.repository == 'arc53/DocsGPT'
    needs: build
    runs-on: ubuntu-latest
    permissions:
      packages: write
    steps:
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3
        with:
          driver: docker-container
          install: true

      - name: Login to DockerHub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}
      
      - name: Login to ghcr.io
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
        
      - name: Create and push manifest for DockerHub
        run: |
          docker manifest create ${{ secrets.DOCKER_USERNAME }}/docsgpt:develop \
            --amend ${{ secrets.DOCKER_USERNAME }}/docsgpt:develop-amd64 \
            --amend ${{ secrets.DOCKER_USERNAME }}/docsgpt:develop-arm64
          docker manifest push ${{ secrets.DOCKER_USERNAME }}/docsgpt:develop

      - name: Create and push manifest for ghcr.io
        run: |
          docker manifest create ghcr.io/${{ github.repository_owner }}/docsgpt:develop \
            --amend ghcr.io/${{ github.repository_owner }}/docsgpt:develop-amd64 \
            --amend ghcr.io/${{ github.repository_owner }}/docsgpt:develop-arm64
          docker manifest push ghcr.io/${{ github.repository_owner }}/docsgpt:develop