name: Publish Docker image

on:
  workflow_dispatch:
    inputs:
      LABS:
        description: 'Labs version'
        required: true
        default: 'v2.1'
        type: string

jobs:

  push_to_registry:
    name: Push Docker image to Docker Hub
    runs-on: ubuntu-latest
    steps:
      - name: Check out the repo
        uses: actions/checkout@v3
        with:
          ref: ${{ inputs.LABS }}

      - name: Log in to Docker Hub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Extract metadata (tags, labels) for Docker
        id: meta
        uses: docker/metadata-action@v4
        with:
          images: jetaylor74/ISLP_labs

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