version: 2.1
jobs:
  build:
    docker:
      - image: cimg/node:12.18
    steps:
      - checkout
      - restore_cache:
         key:
           - npm-v1-dependencies-{{ checksum "yarn.lock" }}
      - run: yarn global add node-gyp && yarn install
      - save_cache:
         paths:
           - ~./cache/yarn
         key:
           - npm-v1-dependencies-{{ checksum "yarn.lock" }}