Yesod.Default.Main

Documentation

defaultMain :: (Show env, Read env) => IO (AppConfig env extra) -> (AppConfig env extra -> IO Application) -> IO ()

Run your app, taking environment and port settings from the commandline.

fromArgs helps parse a custom configuration

 main :: IO ()
 main = defaultMain (fromArgs parseExtra) makeApplication

defaultMainLog :: (Show env, Read env) => IO (AppConfig env extra) -> (AppConfig env extra -> IO (Application, LogFunc)) -> IO ()

Same as defaultMain, but gets a logging function back as well as an Application to install Warp exception handlers.

Since 1.2.5

defaultRunner :: (Application -> IO ()) -> Application -> IO ()

Run your application continously, listening for SIGINT and exiting when received

 withYourSite :: AppConfig DefaultEnv -> Logger -> (Application -> IO a) -> IO ()
 withYourSite conf logger f = do
     Settings.withConnectionPool conf $ \p -> do
         runConnectionPool (runMigration yourMigration) p
         defaultRunner f $ YourSite conf logger p

defaultDevelApp

Arguments

:: (Show env, Read env)

=> IO (AppConfig env extra)

A means to load your development AppConfig

-> (AppConfig env extra -> IO Application)

Get your Application

-> IO (Int, Application)

Run your development app using a custom environment type and loader function

type LogFunc = Loc -> LogSource -> LogLevel -> LogStr -> IO ()