CircleCI default java build

config.yml

  openjdk-8:
    docker:
      # specify the version you desire here
      - image: circleci/openjdk:8-jdk

      # Specify service dependencies here if necessary
      # CircleCI maintains a library of pre-built images
      # documented at https://circleci.com/docs/2.0/circleci-images/
      # - image: circleci/postgres:9.4

    working_directory: ~/repo-8

    environment:
      # Customize the JVM maximum heap limit
      MAVEN_OPTS: -Xmx3200m

    steps:
      - checkout

      # Download and cache dependencies
      - restore_cache:
          keys:
            - v1-dependencies-{{ checksum "pom.xml" }}
            # fallback to using the latest cache if no exact match is found
            - v1-dependencies-

      - run: mvn dependency:go-offline

      - save_cache:
          paths:
            - ~/.m2
          key: v1-dependencies-{{ checksum "pom.xml" }}

      - run:
          name: Add GPG key
          command: .travis/importKeys.sh
          
      # run tests!
      - run: 
          name: Run unit tests
          command: mvn test

      - run:
          name: Save test results
          command: |
            mkdir -p ~/test-results/junit/
            find . -type f -regex ".*/target/surefire-reports/.*xml" -exec cp {} ~/test-results/junit/ \;
          when: always

      - store_test_results:
          path: ~/test-results
      - store_artifacts:
          path: ~/test-results/junit