.gitlab-ci.yml

variables:
  # This will supress any download for dependencies and plugins or upload messages which would clutter the console log.
  # `showDateTime` will show the passed time in milliseconds. You need to specify `--batch-mode` to make this work.
  MAVEN_OPTS: "-Dmaven.repo.local=.m2/repository -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=WARN -Dorg.slf4j.simpleLogger.showDateTime=true -Djava.awt.headless=true"
  # As of Maven 3.3.0 instead of this you may define these options in `.mvn/maven.config` so the same config is used
  # when running from the command line.
  # `installAtEnd` and `deployAtEnd` are only effective with recent version of the corresponding plugins.
  MAVEN_CLI_OPTS: "--batch-mode --errors --fail-at-end --show-version -DinstallAtEnd=true -DdeployAtEnd=true"
  DOCKER_HOST: tcp://docker:2375

# Cache downloaded dependencies and plugins between builds.
# To keep cache across branches add 'key: "$CI_JOB_NAME"'
cache:
  paths:
    - .m2/repository

services:
  - docker:dind

# This will only validate and compile stuff and run e.g. maven-enforcer-plugin.
# Because some enforcer rules might check dependency convergence and class duplications
# we use `test-compile` here instead of `validate`, so the correct classpath is picked up.
validate:
  stage: build
  image: maven:3.3.9-jdk-8
  script:
    - 'mvn $MAVEN_CLI_OPTS verify'
  except:
    - master

deploy:jdk8:
  stage: build
  image: maven:3.3.9-jdk-8
  script:
    - 'mvn -Ddocker.push.username=gitlab-ci-token -Ddocker.push.password=$CI_BUILD_TOKEN $MAVEN_CLI_OPTS install'
  only:
    - master