image: docker:latest

services:
  - docker:dind

stages:
  - Build Image

variables:
  DOCKER_HOST: tcp://docker:2375/
  DOCKER_DRIVER: overlay2

build-master:
  before_script:
    - docker info
    - echo "$CI_REGISTRY_PASSWORD" | docker login -u "$CI_REGISTRY_USER" --password-stdin
  stage: Build Image
  script:
    - docker build --pull -t "$CI_REGISTRY_IMAGE" .
    - docker push "$CI_REGISTRY_IMAGE"
  only:
    - master

build-other:
  before_script:
    - docker info
    - echo "$CI_REGISTRY_PASSWORD" | docker login -u "$CI_REGISTRY_USER" --password-stdin
  stage: Build Image
  script:
    - docker build --pull -t "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME" .
    - docker push "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME"
  except:
    - master