docker-build.yaml

name: docker-build

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

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - uses: docker/setup-qemu-action@v2
      if: github.ref == 'refs/heads/main' && github.event_name != 'pull_request'
    - uses: docker/setup-buildx-action@v2
    - uses: docker/metadata-action@v4
      id: meta
      with:
        images: |
          ghcr.io/${{ github.repository }}
        tags: |
          type=edge,branch=main
          type=semver,pattern={{version}}
          type=semver,pattern={{major}}.{{minor}}
          type=semver,pattern={{major}}
          type=ref,event=pr
        flavor: latest=auto
    - uses: actions/checkout@v4
    - uses: docker/build-push-action@v4
      with:
        context: .
        platforms: ${{ github.ref == 'refs/heads/main' && github.event_name != 'pull_request' && 'linux/amd64,linux/arm64' || 'linux/amd64' }}
        push: ${{ startsWith(github.ref, 'refs/tags/v') }}
        cache-to: type=gha,scope=docker
        cache-from: type=gha,scope=docker,mode=max
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}