version: 2.1

workflows:
  version: 2
  build_docker:
    jobs:
      - deploy_node

jobs:
  deploy_node:
    docker:
      - image: cimg/node:12 # the primary container, where your job's commands are run
        environment:
          DATABASEURL: postgres://psqluser:psqlpassword@localhost:5432/psdb
          JWT_SECRET: secret
          API_PORT: 3000
          API_HOST: localhost
          API_PROTOCOL: http
        auth:
          username: mydockerhub-user
          password: $DOCKERHUB_PASSWORD" # context / project UI env-var reference
    steps: 
      - checkout
      - restore_cache: 
          key: yarn-packages-{{checksum "yarn.lock"}}
      - run:
          name: install node
          command: yarn global add node-gyp && yarn install
      - save_cache:
          key: yarn-packages-{{checksum "yarn.lock"}}
          paths:
            - ./node_module