next.js/.circleci/config.yml

version: 2
jobs:
  build:
    docker:
      - image: circleci/node:8-browsers
    working_directory: ~/repo
    steps:
      - checkout
      - run: yarn install
      - run: yarn bootstrap
      - run: yarn test
      - persist_to_workspace:
          root: .
          paths:
            - dist
  publish-stable:
    docker:
      - image: circleci/node:9.10.0
    working_directory: ~/repo
    steps:
      - checkout
      - attach_workspace:
          at: .
      - run:
          name: Saving Authentication Information
          command: echo "//registry.npmjs.org/:_authToken=$NPM_TOKEN" >> ~/.npmrc
      - run:
          name: Publishing to Stable Channel
          command: npm run lerna publish from-git

  publish-canary:
    docker:
      - image: circleci/node:9.10.0
    working_directory: ~/repo
    steps:
      - checkout
      - attach_workspace:
          at: .
      - run:
          name: Saving Authentication Information
          command: echo "//registry.npmjs.org/:_authToken=$NPM_TOKEN" >> ~/.npmrc
      - run:
          name: Publishing to Canary Channel
          command: npm run lerna publish from-git --npm-tag canary
workflows:
  version: 2
  unscheduled:
    jobs:
      - build:
          filters:
            tags:
              only: /.*/
      - publish-canary:
          requires:
            - build
          filters:
            tags:
              only: /^.*canary.*($|\b)/
      - publish-stable:
          requires:
            - build
          filters:
            tags:
              only: /^(\d+\.)?(\d+\.)?(\*|\d+)$/