image: docker:19.03.13

services:
  - docker:19.03.13-dind

variables:
  DOCKER_HOST: tcp://docker:2375
  DOCKER_TCP_PORT: 2375
  DOCKER_TLS_CERTDIR: ""
  LOCAL_REGISTRY_IMAGE_LATEST: $CI_REGISTRY_IMAGE:latest
  LOCAL_REGISTRY_IMAGE_TAGGED: $CI_REGISTRY_IMAGE:$CI_COMMIT_TAG
  DOCKERHUB_IMAGE_LATEST: pztrn/java:latest
  DOCKERHUB_IMAGE_TAGGED: pztrn/java:$CI_COMMIT_TAG

stages:
  - build

before_script:
  - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
  - docker login -u "$DOCKERHUB_USER" -p "$DOCKERHUB_PASSWORD"
  - docker info

build-local-registry-latest:
  stage: build
  tags:
    - docker
  script:
    - docker build --pull -t $LOCAL_REGISTRY_IMAGE_LATEST .
    - docker push $LOCAL_REGISTRY_IMAGE_LATEST
  only:
    - master

build-local-registry-version:
  stage: build
  tags:
    - docker
  script:
    - docker build --pull -t $LOCAL_REGISTRY_IMAGE_TAGGED .
    - docker push $LOCAL_REGISTRY_IMAGE_TAGGED
  only:
    - tags

build-dockerhub-latest:
  stage: build
  tags:
    - docker
  script:
    - docker build --pull -t $DOCKERHUB_IMAGE_LATEST .
    - docker push $DOCKERHUB_IMAGE_LATEST
  only:
    - master

build-dockerhub-version:
  stage: build
  tags:
    - docker
  script:
    - docker build --pull -t $DOCKERHUB_IMAGE_TAGGED .
    - docker push $DOCKERHUB_IMAGE_TAGGED
  only:
    - tags