name: Build and Push Docker Images

on:
  push:
    branches: [ main, develop ]
    tags: [ 'v*' ]
  pull_request:
    branches: [ main ]
  release:
    types: [published]

env:
  REGISTRY: ghcr.io

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

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

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

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

    - name: Convert repository name to lowercase
      id: lowercase-repo
      run: echo "repository=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_OUTPUT

    - name: Extract metadata
      id: meta
      uses: docker/metadata-action@v5
      with:
        images: ${{ env.REGISTRY }}/${{ steps.lowercase-repo.outputs.repository }}
        tags: |
          type=ref,event=branch
          type=ref,event=pr
          type=semver,pattern={{version}}
          type=semver,pattern={{major}}.{{minor}}
          type=semver,pattern={{major}}
          type=raw,value=latest,enable={{is_default_branch}}

    - name: Build and push Docker image
      uses: docker/build-push-action@v5
      with:
        context: .
        platforms: linux/amd64,linux/arm64
        push: true
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}
        cache-from: type=gha
        cache-to: type=gha,mode=max

    - name: Build and push GPU-enabled image
      uses: docker/build-push-action@v5
      with:
        context: .
        file: Dockerfile.gpu
        platforms: linux/amd64
        push: true
        tags: |
          ${{ env.REGISTRY }}/${{ steps.lowercase-repo.outputs.repository }}:latest-gpu
          ${{ env.REGISTRY }}/${{ steps.lowercase-repo.outputs.repository }}:${{ github.sha }}-gpu
        labels: ${{ steps.meta.outputs.labels }}
        cache-from: type=gha
        cache-to: type=gha,mode=max