config.yml

version: 2.1
commands:
  restore_caches:
    steps:
      - restore_cache:
          keys:
            - rubygems-{{ checksum "_rubygems_cache_key" }}-{{ checksum "Gemfile.lock" }}
            - rubygems-{{ checksum "_rubygems_cache_key" }}-
  create_cache_key_files:
    steps:
      - run: echo $CIRCLECI_RUBYGEMS_CACHE_KEY
      - run:
          name: Write the rubygems cache key to a file
          command: |
            echo $CIRCLECI_RUBYGEMS_CACHE_KEY > _rubygems_cache_key
            cat _rubygems_cache_key
  save_caches:
    steps:
      - save_cache:
          paths:
            - vendor
          key: rubygems-{{ checksum "_rubygems_cache_key" }}-{{ checksum "Gemfile.lock" }}
  install_gems:
    steps:
      - run: gem update --system "$RUBYGEMS_VERSION"
      - run: gem install bundler --version "$BUNDLER_VERSION" --force
      - run: bundle config set clean true --local
      - run: bundle config set jobs 4 --local
      - run: bundle config set path vendor/bundle --local
      - run: bundle config set retry 3 --local
      - run: bundle install
jobs:
  mongo-ruby:
    environment:
      CIRCLECI_RUBYGEMS_CACHE_KEY: '2022060600'
      RUBYGEMS_VERSION: 3.3.21
      BUNDLER_VERSION: 2.3.21
    parameters:
      mongo_version:
        type: string
    docker:
      - image: cimg/ruby:2.7.6-browsers
      - image: circleci/mongo:<< parameters.mongo_version >>-ram
    steps:
      - checkout
      - create_cache_key_files
      - restore_caches
      - install_gems
      - save_caches
      - run: ruby -v
      - run: gem -v
      - run: bundle -v
      - run: bundle exec rubocop -v
      - run: bundle exec rake errbit:bootstrap
      - run: bundle exec rspec
      - run: bundle exec rubocop
workflows:
  workflow:
    jobs:
      - mongo-ruby:
          matrix:
            parameters:
              mongo_version: ["4.0", "4.2", "4.4", "5.0"]