.gitlab-ci.yml

---
image: docker:stable

services:
- docker:dind

.docker_login_gitlab: &docker_login_gitlab |
  echo "$CI_REGISTRY_PASSWORD" | docker login -u "$CI_REGISTRY_USER" --password-stdin "$CI_REGISTRY"

.docker_login_dockerhub: &docker_login_dockerhub |
  echo "$CI_DOCKER_REGISTRY_PASSWORD" | docker login -u "$CI_DOCKER_REGISTRY_USER" --password-stdin "$CI_DOCKER_REGISTRY"

stages:
- build

build-master-gitlab:
  stage: build
  script:
  - *docker_login_gitlab
  - docker build -f build/Dockerfile --pull -t "$CI_REGISTRY_IMAGE:latest" .
  - docker push "$CI_REGISTRY_IMAGE"
  only:
    refs:
    - master

build-master-dockerhub:
  stage: build
  script:
  - *docker_login_dockerhub
  - docker build -f build/Dockerfile --pull -t "$CI_DOCKER_REGISTRY_IMAGE:latest" .
  - docker push "$CI_DOCKER_REGISTRY_IMAGE"
  only:
    refs:
    - master

build-dockerhub:
  stage: build
  script:
  - *docker_login_dockerhub
  - docker build -f build/Dockerfile --pull -t "$CI_DOCKER_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME" .
  - docker push "$CI_DOCKER_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME"
  except:
    refs:
    - master

build-gitlab:
  stage: build
  script:
  - *docker_login_gitlab
  - docker build -f build/Dockerfile --pull -t "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME" .
  - docker push "$CI_REGISTRY_IMAGE:$CI_COMMIT_REF_NAME"
  except:
    refs:
    - master