Changing defaults in :production from sqlite to pg

Padrino DB Postrges

#=> config/database.rb
postgres = URI.parse(ENV['DATABASE_URL'] || '')

ActiveRecord::Base.configurations[:production] = {
  :adapter  => 'postgresql',
  :encoding => 'utf8',
  :database => postgres.path[1..-1], 
  :username => postgres.user,
  :password => postgres.password,
  :host     => postgres.host
}