version: 2
jobs:
  build:
    docker:
      - image: circleci/node:10
    working_directory: ~/repo
    steps:
      - checkout
      - restore_cache:
          keys:
          - v1-dependencies-{{ checksum "package.json" }}
          - v1-dependencies-
      - run: npm install
      - save_cache:
          paths:
            - node_modules
          key: v1-dependencies-{{ checksum "package.json" }}
      - run: wget -qO- -O serf.zip https://releases.hashicorp.com/serf/0.8.1/serf_0.8.1_linux_amd64.zip && unzip serf.zip && rm serf.zip && sudo mv serf /usr/local/bin/
      - run: npm run lint
      - run: npm test