docker-release.yml

name: publish release image

on:
  release:
    types: [published]

jobs:
  build-and-push-image:
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read

    steps:
      - name: checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: set up docker buildx
        uses: docker/setup-buildx-action@v3

      - name: log in to ghcr
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: extract metadata
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: ghcr.io/${{ github.repository }}

      - name: build and push release
        uses: docker/build-push-action@v6
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          platforms: linux/amd64