rails postgres database.yml example

database.yml

default: &default
  adapter: postgresql
  encoding: unicode
  pool: 5

development:
  <<: *default
  database: app_name_development
  username: postgres
  password:

test:
  <<: *default
  database: app_name_test
  username: postgres
  password:

production:
  <<: *default
  database: app_name_production
  username: postgres
  password: