release.yml

name: Build Container
on:
  workflow_dispatch:

env:
  REGISTRY: ghcr.io

jobs:
  build:
    strategy:
      matrix:
        os:
          - name: ubuntu-latest
            docker: alpine
          - name: windows-latest
            docker: windows
    runs-on: ${{ matrix.os.name }}
    permissions:
      contents: read
      packages: write
    steps:
      - uses: actions/checkout@v4

      - id: repo
        uses: ASzc/change-string-case-action@v6
        with:
          string: ${{ github.event.repository.name }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ""
          flavor: |
            suffix=-${{ matrix.os.docker }}
          tags: |
            type=raw,value=latest
            type=raw,value=stable,enable=${{ github.event_name == 'release' }}
            type=semver,pattern={{version}},enable=${{ github.event_name == 'release' }}
            type=sha,priority=250,enable=${{ github.event_name == 'workflow_dispatch' }}

      - name: Build and push Docker image
        uses: mr-smithers-excellent/docker-build-push@v6
        with:
          registry: ${{ env.REGISTRY }}
          image: ${{ steps.repo.outputs.lowercase }}
          dockerfile: Dockerfile.${{ matrix.os.docker }}
          labels: ${{ join(fromJson(steps.meta.outputs.json).labels, ',') }}
          tags: ${{ join(fromJson(steps.meta.outputs.json).tags, ',') }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}