name: Publish Docker images
# This workflow uses actions that are not certified by GitHub.
# They are provided by a third-party and are governed by separate terms of service, privacy policy, and support documentation.

on:
  workflow_dispatch:
  push:
    branches: [ "main" ]
    paths-ignore:
    - ".github/**"
    - "README.md"
  pull_request:
    branches: [ "main" ]

env:
  REGISTRY: ghcr.io
  DOCKER_REGISTRY: docker.io
  # github.repository as <account>/<repo>
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v3
        
      - name: Setup Docker buildx
        uses: docker/setup-buildx-action@v3
        
      - name: Log into registry ${{ env.REGISTRY }}
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}
      
      - name: Log into registry ${{ env.DOCKER_REGISTRY }}
        if: github.event_name != 'pull_request'
        uses: docker/login-action@v3
        with:
          registry: ${{ env.DOCKER_REGISTRY }}
          username: ${{ secrets.DOCKER_U }}
          password: ${{ secrets.DOCKER_P }}
          
      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v4
        with:
          flavor: latest=true
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          
      - name: Build and push Docker image
        id: build-and-push
        uses: docker/build-push-action@v5
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: |
            ${{ steps.meta.outputs.tags }}
            ${{ env.DOCKER_REGISTRY }}/${{ secrets.DOCKER_U }}/jmusicbot:latest
          labels: ${{ steps.meta.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max