name: Publish Docker image

on:
  workflow_dispatch:
  push:
    tags:
      - "v*"

permissions: {}

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}

jobs:
  push_to_registry:
    name: Push Docker image to GHCR
    runs-on: ubuntu-latest
    permissions:
      packages: write
      contents: read
    steps:
      - name: Check out the repo
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0
        with:
          persist-credentials: false

      - name: Log in to the Container registry
        uses: docker/login-action@c99871dec2022cc055c062a10cc1a1310835ceb4
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@dc802804100637a589fabce1cb79ff13a1411302
        with:
          images: ghcr.io/${{ github.repository }}

      - name: Build and push Docker image
        uses: docker/build-push-action@53b7df96c91f9c12dcc8a07bcb9ccacbed38856a
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}