image: docker:latest
services:
  - docker:dind

stages:
  - build
  - test
  - release
  - deploy

variables:
  DOCKER_CI_IMAGE: registry.gitlab.com/storager/udemy-kube:$CI_BUILD_REF_NAME

before_script:
  - docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN registry.gitlab.com

build-image:
  stage: build
  tags:
    - docker
  script:
    - docker build --pull -t $DOCKER_CI_IMAGE .
    - docker push $DOCKER_CI_IMAGE