example of config.yml

config.yml

# Sample 2.0 config.yml Files
# https://circleci.com/docs/2.0/sample-config/
# https://circleci.com/docs/2.0/language-java/

version: 2.1
executors:
  default:
    docker:
      - image: circleci/openjdk:11-jdk-browsers
        environment:
          JVM_OPTS: -Xmx3200m
          SPRING_PROFILES_ACTIVE: ci
    working_directory: ~/workspace
  with_db:
    docker:
      - image: circleci/openjdk:11-jdk-browsers
        environment:
          JVM_OPTS: -Xmx3200m
          SPRING_PROFILES_ACTIVE: ci
      - image: circleci/mysql:8.0
        command: |
          --default-authentication-plugin=mysql_native_password \
          --character-set-server=utf8 \
          --collation-server=utf8_general_ci
        environment:
          MYSQL_ALLOW_EMPTY_PASSWORD: true
          MYSQL_DATABASE: myapp
    working_directory: ~/workspace

commands:
  restore_dependencies:
    steps:
      - restore_cache:
          keys:
            - dependencies-{{ checksum "build.gradle" }}-{{ checksum "module-common/build.gradle" }}-{{ checksum "module-api/build.gradle" }}
  save_dependencies:
    steps:
      - save_cache:
          key: dependencies-{{ checksum "build.gradle" }}-{{ checksum "module-common/build.gradle" }}-{{ checksum "module-api/build.gradle" }}
          paths:
            - ~/workspace/.gradle

jobs:
  setup:
    executor: default
    steps:
      - checkout
      - restore_dependencies
      - run:
          name: Download dependencies
          command: |
            ./gradlew dependencies
            ./gradlew :module-common:dependencies
            ./gradlew :module-api:dependencies
      - save_dependencies
  test_common:
    executor: with_db
    steps:
      - checkout
      - run:
          name: Waiting for databasee
          command: |
            dockerize -wait tcp://127.0.0.1:3306 -timeout 1m
      - run:
          name: Test common module
          command: |
            ./gradlew :module-common:dependencies
            ./gradlew :module-common:test
  test_api:
    executor: with_db
    steps:
      - checkout
      - run:
          name: Waiting for database
          command: |
            dockerize -wait tcp://127.0.0.1:3306 -timeout 1m
      - run:
          name: Test api module
          command: |
            ./gradlew :module-api:dependencies
            ./gradlew :module-api:test
  build:
    executor: default
    steps:
      - checkout
      - restore_dependencies
      - run:
          name: Build project
          command: |
            ./gradlew clean
            ./gradlew build
      - store_artifacts:
          path: module-api/build/libs/module-api-0.0.1-SNAPSHOT.jar

workflows:
  test_build:
    jobs:
      - setup
      - test_common:
          requires:
            - setup
      - test_api:
          requires:
            - setup
      - build:
          requires:
            - test_common
            - test_api