publish-app-image.yml

name: Publish Docker App image

on:
  push:
    branches: [ "main" ]
    paths:
      - 'code/**'
      - 'extra/docker/**'

jobs:
  push_to_registry:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repo
        uses: actions/checkout@v4
        with:
          sparse-checkout-cone-mode: false
          sparse-checkout: |
            /*
            !results

      - name: Log in to Docker Hub
        uses: docker/login-action@v3
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: lukeprior/nbn-upgrade-map
          tags: |
            # set latest tag for main branch
            type=raw,value=latest,enable=${{ github.ref == format('refs/heads/{0}', 'main') }}

      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        with:
          context: ./
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          file: ./extra/docker/Dockerfile