Build Docker images with Maven in Gitlab CI/CD

gitlab-ci-mavenBuild.yml

image: docker:latest
services:
  - docker:dind
  variables:
    MAVEN_OPTS: "-Dmaven.repo.local=.m2/repository"
    DOCKER_DRIVER: overlay
    SPRING_PROFILES_ACTIVE: gitlab-ci
    cache:
      key: ${CI_COMMIT_REF_SLUG}
      paths:
      - .m2/repository
stages:
 - build
 - deploy
 maven-build:
  image: maven:3-jdk-8
  stage: build
  script:
    - mvn install jib:build -Djib.to.auth.username=$DOCKER_USER    -Djib.to.auth.password=$DOCKER_PASSWORD
  only:
    - development
    - staging