build_hub_image.yml

name: Build custom hub image

on:
  release:
    types: [ published ]
  workflow_dispatch:
    inputs:
      tag:
        description: Image tag
        required: true

jobs:
  build:
    runs-on: ubuntu-latest

    # see https://github.com/docker/build-push-action
    steps:
      # Setup (see https://github.com/docker/build-push-action)
      - name: Checkout
        uses: actions/checkout@v2
      - name: Set up QEMU
        uses: docker/setup-qemu-action@v2
      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v2
      - name: Login to DockerHub
        uses: docker/login-action@v2
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}
      # Publish to Docker hub
      - name: Store version number (on release)
        if: ${{ github.event_name == 'release' }}
        id: version
        # GITHUB_REF looks like "refs/tags/0.3.1" - we need to extract the actual version without the v prefix
        run: echo ::set-output name=number::${GITHUB_REF##*/}
      - name: Build and push (on release)
        if: ${{ github.event_name == 'release' }}
        uses: docker/build-push-action@v4
        with:
          push: true
          context: jupyterhub
          file: jupyterhub/Dockerfile
          cache-from: type=gha
          cache-to: type=gha,mode=max
          tags: |
            blsq/openhexa-jupyterhub:${{ steps.version.outputs.number }}
            blsq/openhexa-jupyterhub:latest
      - name: Build and push (manual)
        if: ${{ github.event_name == 'workflow_dispatch' }}
        uses: docker/build-push-action@v4
        with:
          push: true
          context: jupyterhub
          file: jupyterhub/Dockerfile
          cache-from: type=gha
          cache-to: type=gha,mode=max
          tags: |
            blsq/openhexa-jupyterhub:${{ github.event.inputs.tag }}
            blsq/openhexa-jupyterhub:latest