# SQLite version 3.x# gem install sqlite3## Ensure the SQLite 3 gem is defined in your Gemfile# gem 'sqlite3'#default:&defaultadapter:sqlite3pool:5timeout:5000development:<<:*defaultdatabase:db/development.sqlite3# Warning: The database defined as "test" will be erased and# re-generated from your development database when you run "rake".# Do not set this db to the same as development or production.test:<<:*defaultdatabase:db/test.sqlite3production:<<:*defaultdatabase:db/production.sqlite3