name: Build

on:
  pull_request:
    branches:
      - "*"
  push:
    tags:
      - "v[0-9].*.*"

jobs:
  build:
    runs-on: ubuntu-latest
    name: Build image
    steps:
      - name: 📥 Checkout the repository
        uses: actions/checkout@v4

      - name: 🏗 Set up QEMU
        uses: docker/setup-qemu-action@v3

      - name: 🏗 Set up Docker Buildx
        uses: docker/setup-buildx-action@v2

      - name: 🪄 Extract metadata (tags, labels)
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: |
            ghcr.io/${{ github.repository }}
          tags: |
            type=ref,event=pr
            type=semver,pattern=v{{version}}
            type=semver,pattern=v{{major}}.{{minor}}
            type=semver,pattern=v{{major}}

      - name: 🔓 Registry login
        if: github.event_name == 'push'
        uses: docker/login-action@v2.2.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: 🛠️ Build image
        uses: docker/build-push-action@v4
        with:
          context: .
          file: ./Dockerfile
          platforms: linux/amd64,linux/arm64,linux/arm/v7
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          push: ${{ github.event_name == 'push' }}