name: Publish Docker image

on:
  workflow_dispatch:
  push:
    tags: ["v*"]

env:
  REGISTRY: ghcr.io

permissions: read-all

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

jobs:
  publish:
    name: Build and publish Docker image
    runs-on: ubuntu-latest
    timeout-minutes: 120

    permissions:
      contents: read
      packages: write

    steps:
      - uses: actions/checkout@v6

      - name: Set up QEMU
        uses: docker/setup-qemu-action@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v4

      - name: Set image name
        id: image
        run: echo "name=${GITHUB_REPOSITORY,,}" >> "$GITHUB_OUTPUT"

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v4
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@v6
        with:
          images: ${{ env.REGISTRY }}/${{ steps.image.outputs.name }}
          tags: |
            type=raw,value=latest
            type=semver,pattern={{version}}
            type=semver,pattern={{major}}.{{minor}}
            type=sha,prefix=sha-

      - name: Build and push
        uses: docker/build-push-action@v7
        with:
          context: .
          file: ./Dockerfile
          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
