Build and containeraized node.js app with gitlab-ci

.gitlab-ci.yml-example

image: node:7

stages:
  - install_dependencies
  - build
  - tests
  - publish
  - deploy

install:dependencies:
  stage: install_dependencies
  cache:
    paths:
      - node_modules/
  tags:
    - docker
  script:
    - npm install --loglevel warn
  artifacts:
    paths:
      - node_modules/
  only:
    - /^v?\d+\.\d+\.\d+(|\-.+)$/

build:
  stage: build
  tags:
    - docker
  script:
    - npm run build
    - grep '"version"' package.json | xargs | sed s/,// >> build/version-fe.txt
    - date >> build/version.txt
  dependencies:
    - install:dependencies
  artifacts:
    paths:
      - build/
  only:
    - /^v?\d+\.\d+\.\d+\-dev$/

test:unit:
  stage: tests
  tags:
    - docker
  script:
    - npm run test
  dependencies:
    - install:dependencies
  allow_failure: true
  only:
    - /^v?\d+\.\d+\.\d+(|\-.+)$/

publish:docker_registry:
  stage: publish
  tags:
    - shell
    - duss
  script:
    - docker login -u "gitlab-ci-token" -p "$CI_BUILD_TOKEN" "$CI_REGISTRY"
    - docker build --pull --rm -t "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME" .
    - docker push "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME"
  only:
    - /^v?\d+\.\d+\.\d+(|\-.+)$/
  dependencies:
    - build

Deploy:
  stage: deploy
  script:
    -  curl -X POST -F token=$deploy_token -F "ref=master" -F "variables[version]=$CI_COMMIT_REF_NAME" https://gitlab.com/api/v4/projects/423/trigger/pipeline
  only:
    - /^v?\d+\.\d+\.\d+(|\-.+)$/