1. Copy The Default file From the CirleCI Example Rails Repo
2. Set image environment POSTGRES_DB
3. Set test parallelism to 1
4. Be sure to add To your Gemfile
gem 'rspec_junit_formatter'
5. For Headless Chrome support, which you want, do this
- image: cimg/ruby:2.7-node
changes to
- image: circleci/ruby:2.7-node-browsers
If you don’t do this, your headless chrome specs will fail with