revert password back

Author: GarPit

config/database.yml

@@ -21,7 +21,7 @@ default: &default
   # http://guides.rubyonrails.org/configuring.html#database-pooling
   pool: <%= ENV.fetch("RAILS_MAX_THREADS") { 5 } %>
   username: postgres
-  # password: <%= ENV['POSTGRES_PASSWORD'] %>
+  password: <%= ENV['POSTGRES_PASSWORD'] %>
   host: db
 
 development: