Rails config/database.yml for postgres and utf8

configdatabase.yml

development:
  adapter: postgresql
  encoding: utf8
  database: <app_name>_development
  pool: 5
  timeout: 5000
  host: localhost

test:
  adapter: postgresql
  encoding: utf8
  database: <app_name>_test
  pool: 5
  timeout: 5000
  host: localhost

production:
  adapter: postgresql
  encoding: utf8
  database: <app_name>_production
  pool: 5
  timeout: 5000
  host: localhost