name: Docker image

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

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    name: Build and publish
    runs-on: ubuntu-latest
    timeout-minutes: 30
    permissions:
      contents: read
      packages: write
    steps:
      - name: Check out source
        uses: actions/checkout@11d5960a326750d5838078e36cf38b85af677262 # v4
        with:
          persist-credentials: false

      - name: Set up QEMU
        uses: docker/setup-qemu-action@c7c53464625b32c7a7e944ae62b3e17d2b600130 # v3
        with:
          platforms: arm64

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@8d2750c68a42422c14e847fe6c8ac0403b4cbd6f # v3

      - name: Log in to GHCR
        if: github.event_name != 'pull_request'
        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Generate image tags and labels
        id: metadata
        uses: docker/metadata-action@c299e40c65443455700f0fdfc63efafe5b349051 # v5
        with:
          images: ghcr.io/${{ github.repository }}
          flavor: latest=false
          tags: |
            type=raw,value=latest,enable=${{ github.ref == 'refs/heads/main' }}
            type=ref,event=branch
            type=ref,event=pr
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}},enable=${{ !contains(github.ref_name, '-') }}
            type=sha
          labels: |
            org.opencontainers.image.licenses=MIT

      - name: Build and publish image
        uses: docker/build-push-action@10e90e3645eae34f1e60eeb005ba3a3d33f178e8 # v6
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: ${{ github.event_name != 'pull_request' }}
          tags: ${{ steps.metadata.outputs.tags }}
          labels: ${{ steps.metadata.outputs.labels }}
          cache-from: type=gha
          cache-to: type=gha,mode=max