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@de0fac2e4500dabe0009e67214ff5f5447ce83dd
        with:
          persist-credentials: false

      - name: Log in to the Container registry
        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@030e881283bb7a6894de51c315a6bfe6a94e05cf
        with:
          images: ghcr.io/${{ github.repository }}

      - name: Build and push Docker image
        uses: docker/build-push-action@bcafcacb16a39f128d818304e6c9c0c18556b85f
        with:
          context: .
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}