stages:
  - build
  - test

variables:
  IMAGE: ${CI_REGISTRY_IMAGE}

debug:
  image: docker:git
  stage: test
  script:
    - git clone https://github.com/jupyterhub/nbgitpuller.git

build-image:
  stage: build #and stage
  services:
    - docker:dind
  image: docker:git

  before_script:
    - docker login -u gitlab-ci-token -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
  script:
    - docker pull jupyter/tensorflow-notebook
    - docker build -t ${IMAGE} .
    - docker push ${IMAGE}
  after_script:
    - 'docker logout $CI_REGISTRY'

  only:
    changes:
      - Dockerfile
      - environment.yml

image: ${IMAGE}

tests_python_packages:
  stage: test
  script:
    - pytest