image.yaml

name: docker

on:
  push:
    branches:
  pull_request:

jobs:
  docker:
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Set some variables
        id: vars
        run: |
          short_sha=$(git rev-parse --short HEAD)
          image="jupyter/nbviewer:$short_sha"
          echo "::set-output name=image::$image"
          tags="$image"
          if "${{ github.ref_name }}" == "main" ]]; then
            tags="jupyter/nbviewer:latest $tags"
          fi
          echo "::set-output name=tags::$tags"

      - name: Check outputs
        run: echo ${{ steps.vars.outputs.sha_short }}

      - name: Login to docker hub
        if: github.ref_name == 'main'
        uses: docker/login-action@v1
        with:
          username: ${{ secrets.DOCKER_USERNAME }}
          password: ${{ secrets.DOCKER_PASSWORD }}

      - name: Build
        uses: docker/build-push-action@v2
        with:
          push: false
          load: true
          context: .
          platforms: linux/amd64
          tags: ${{ steps.vars.outputs.tags }}

      - name: Test
        run: |
          docker run --rm -i ${{ steps.vars.outputs.image }} python3 -c "import nbviewer, pycurl, pylibmc"
          docker run --rm -i ${{ steps.vars.outputs.image }} python3 -m nbviewer --help-all

      - name: Push
        if: github.ref_name == 'main'
        uses: docker/build-push-action@v2
        with:
          context: .
          platforms: linux/amd64
          push: ${{ github.ref_name == 'main' }}
          tags: ${{ steps.vars.outputs.tags }}