name: Docker CD

on:
  push:
    branches: [ "main" ]
    paths:
      - "crates/**/*.rs"
      - ".github/workflows/continuous-docker.yml"
      - "**/Cargo.toml"
      - "docker/kumod/Dockerfile"
      - "assets/policy-extras/**"
      - "assets/bounce_classifier/**"
    tags:
      # Date based release tag
      - "20*"

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  docker-build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write

    steps:
    - uses: actions/checkout@v3

    - name: Log in to the Container registry
      uses: docker/login-action@v2.1.0
      with:
        registry: ${{ env.REGISTRY }}
        username: ${{ github.actor }}
        password: ${{ secrets.GITHUB_TOKEN }}

    - name: Extract metadata (tags, labels) for Docker
      id: meta
      uses: docker/metadata-action@v4.3.0
      with:
        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

    - name: Build and push Docker image
      uses: docker/build-push-action@v4.0.0
      with:
        context: .
        push: true
        file: docker/kumod/Dockerfile
        tags: ${{ steps.meta.outputs.tags }}
        labels: ${{ steps.meta.outputs.labels }}