.gitlab-ci.yml

image: docker:19.03
services:
  - docker:dind

stages:
  - build
  - package
  - push

variables:
  MAVEN_CLI_OPTS: "--batch-mode"
  MAVEN_OPTS: "-Dmaven.repo.local=.m2/repository"
  IMAGE_TAG: $CI_REGISTRY_IMAGE:$CI_COMMIT_SHORT_SHA
  LATEST_TAG: $CI_REGISTRY_IMAGE:latest
  DOCKER_TLS_CERTDIR: "/certs"

cache:
  paths:
    - .m2/repository/
    - target/

build_jar:
  image: maven:3.6.3-jdk-8
  stage: build
  script:
    - mvn $MAVEN_CLI_OPTS package -DskipTests
  artifacts:
    paths:
      - target/NeologRecommender-jar-with-dependencies.jar

docker_push:
  variables:
    GIT_STRATEGY: none # We are just playing with Docker here. We do not need GitLab to clone the source code.
  image: docker:19.03
  stage: push
  services:
    - docker:dind
  script:
    - docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
    - docker build -t $IMAGE_TAG .
    - docker push $IMAGE_TAG
    - docker tag $IMAGE_TAG $LATEST_TAG
    - docker push $LATEST_TAG
  only:
    - master