Sample database.yml file for Ruby on Rails app

database.yml

# Postgres
development:
  adapter: postgresql
  encoding: utf8
  database: text_development
  username: postgres
  password: root
  host: localhost
 
# Sqlite
development:
  adapter: sqlite3
  database: db/test.sqlite3
  pool: 5
  timeout: 5000
 
# MySql
development:
  adapter: mysql2
  encoding: utf8
  reconnect: false
  pool: 5
  database: test_dev
  username: root
  password: root
 
# Mongoid
development:
  host: localhost
  database: test_development