database.yml

development:
  adapter: postgresql
  encoding: unicode
  pool: 5
  database: sample_app_rails_4_development
  host: <%= ENV['SAMPLE_APP_RAILS_4_DB_HOST'] %>
  port: <%= ENV['SAMPLE_APP_RAILS_4_DB_PORT'] %>
  username: <%= ENV['SAMPLE_APP_RAILS_4_DB_USER'] %>
  password: <%= ENV['SAMPLE_APP_RAILS_4_DB_PASSWORD'] %>

# 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: &test
  adapter: postgresql
  encoding: unicode
  database: sample_app_rails_4_test
  pool: 5
  host: <%= ENV['SAMPLE_APP_RAILS_4_DB_HOST'] %>
  port: <%= ENV['SAMPLE_APP_RAILS_4_DB_PORT'] %>
  username: <%= ENV['SAMPLE_APP_RAILS_4_DB_USER'] %>
  password: <%= ENV['SAMPLE_APP_RAILS_4_DB_PASSWORD'] %>

production:
  adapter: postgresql
  encoding: unicode
  database: <%= ENV['RDS_DB_NAME'] %>
  username: <%= ENV['RDS_USERNAME'] %>
  password: <%= ENV['RDS_PASSWORD'] %>
  host: <%= ENV['RDS_HOSTNAME'] %>
  port: <%= ENV['RDS_PORT'] %>

cucumber:
  <<: *test

use dotenv to manage environment variables for development and test