# File lib/rack/handler/fastcgi.rb, line 32 def self.valid_options environment = ENV['RACK_ENV'] || 'development' default_host = environment == 'development' ? 'localhost' : '0.0.0.0' { "Host=HOST" => "Hostname to listen on (default: #{default_host})", "Port=PORT" => "Port to listen on (default: 8080)", "File=PATH" => "Creates a Domain socket at PATH instead of a TCP socket. Ignores Host and Port if set.", } end