Starter CircleCI v2 configuration for Node.js apps

config.yml

version: 2.0

jobs:
  test:
    docker:
      - image: circleci/node:8.10
    working_directory: ~/circleci-build
    environment:
      EXAMPLE_ENV_FOR_TESTING: "test"
    steps:
      - checkout
      - restore_cache:
          key: dependency-cache-{{ checksum "package.json" }}
      - run: yarn
      - save_cache:
          key: dependency-cache-{{ checksum "package.json" }}
          paths:
            - node_modules
      - run: yarn test
      - persist_to_workspace:
          root: /home/circleci
          paths:
            - circleci-build

  build:
    docker:
      - image: circleci/node:8.10
    working_directory: ~/circleci-build
    steps:
      - attach_workspace:
          at: /home/circleci
      - run:
          command: yarn build
          environment:
            NODE_ENV: "production"
      - persist_to_workspace:
          root: /home/circleci
          paths:
            - circleci-build

  deploy:
    docker:
      - image: circleci/node:8.10
    working_directory: ~/circleci-build
    environment:
      NODE_ENV: "production"
    steps:
      - attach_workspace:
          at: /home/circleci
      - run: yarn deploy

workflows:
  version: 2
  test-build-deploy:
    jobs:
      - test
      - build:
          requires:
            - test
      - deploy:
          requires:
            - build
          filters:
            branches:
              only: master