remark-container/.circleci/config.yml

markdown container like [markdown-it-container](https://github.com/markdown-it/markdown-it-container)

# Javascript Node CircleCI 2.0 configuration file
#
# Check https://circleci.com/docs/2.0/language-javascript/ for more details
#
version: 2

refs:
  container: &container
    docker:
      - image: node:latest
    working_directory: ~/repo
  steps:
    - &Install
      run:
        name: Install Dependencies
        command: yarn install
    - &Test
      run:
        name: Test
        command: yarn test
    - &Codecov
      run:
        name: Codecov
        command: |
          yarn global add codecov
          codecov

jobs:
  build:
    <<: *container
    steps:
      - checkout
      - restore_cache:
          name: Restore Yarn Package Cache
          keys:
            - yarn-packages-{{ checksum "yarn.lock" }}
      - *Install
      - save_cache:
          name: Save Yarn Package Cache
          key: yarn-packages-{{ checksum "yarn.lock" }}
          paths:
            - ~/.cache/yarn
      - *Test
      - *Codecov