diff --git a/yesod-bin/hsfiles/mongo.hsfiles b/yesod-bin/hsfiles/mongo.hsfiles
index 46147f41..994b7a9b 100644
--- a/yesod-bin/hsfiles/mongo.hsfiles
+++ b/yesod-bin/hsfiles/mongo.hsfiles
@@ -203,7 +203,7 @@ instance Yesod App where
     -- The page to be redirected to when authentication is required.
     authRoute _ = Just $ AuthR LoginR
 
-    -- Routes not requiring authenitcation.
+    -- Routes not requiring authentication.
     isAuthorized (AuthR _) _ = return Authorized
     isAuthorized FaviconR _ = return Authorized
     isAuthorized RobotsR _ = return Authorized
diff --git a/yesod-bin/hsfiles/mysql.hsfiles b/yesod-bin/hsfiles/mysql.hsfiles
index 774a3be5..aacbbc2f 100644
--- a/yesod-bin/hsfiles/mysql.hsfiles
+++ b/yesod-bin/hsfiles/mysql.hsfiles
@@ -34,7 +34,6 @@ module Application
     ) where
 
 import Import
-import Settings
 import Yesod.Auth
 import Yesod.Default.Config
 import Yesod.Default.Main
@@ -45,6 +44,7 @@ import Network.Wai.Middleware.RequestLogger
 import qualified Network.Wai.Middleware.RequestLogger as RequestLogger
 import qualified Database.Persist
 import Database.Persist.Sql (runMigration)
+import Database.Persist.MySQL (createMySQLPool, myConnInfo, myPoolSize)
 import Network.HTTP.Client.Conduit (newManager)
 import Control.Monad.Logger (runLoggingT)
 import System.Log.FastLogger (newStdoutLoggerSet, defaultBufSize)
@@ -92,13 +92,12 @@ makeFoundation conf = do
     dbconf <- withYamlEnvironment "config/mysql.yml" (appEnv conf)
               Database.Persist.loadConfig >>=
               Database.Persist.applyEnv
-    p <- Database.Persist.createPoolConfig (dbconf :: Settings.PersistConf)
 
     loggerSet' <- newStdoutLoggerSet defaultBufSize
     (getter, _) <- clockDateCacher
 
     let logger = Yesod.Core.Types.Logger loggerSet' getter
-        foundation = App
+        mkFoundation p = App
             { settings = conf
             , getStatic = s
             , connPool = p
@@ -106,11 +105,16 @@ makeFoundation conf = do
             , persistConfig = dbconf
             , appLogger = logger
             }
+        tempFoundation = mkFoundation $ error "connPool forced in tempFoundation"
+        logFunc = messageLoggerSource tempFoundation logger
+
+    p <- flip runLoggingT logFunc
+       $ createMySQLPool (myConnInfo dbconf) (myPoolSize dbconf)
+    let foundation = mkFoundation p
 
     -- Perform database migration using our application's logging settings.
-    runLoggingT
+    flip runLoggingT logFunc
         (Database.Persist.runPool dbconf (runMigration migrateAll) p)
-        (messageLoggerSource foundation logger)
 
     return foundation
 
@@ -210,7 +214,7 @@ instance Yesod App where
     -- The page to be redirected to when authentication is required.
     authRoute _ = Just $ AuthR LoginR
 
-    -- Routes not requiring authenitcation.
+    -- Routes not requiring authentication.
     isAuthorized (AuthR _) _ = return Authorized
     isAuthorized FaviconR _ = return Authorized
     isAuthorized RobotsR _ = return Authorized
diff --git a/yesod-bin/hsfiles/postgres-fay.hsfiles b/yesod-bin/hsfiles/postgres-fay.hsfiles
index 4e6b12bd..4c195e75 100644
--- a/yesod-bin/hsfiles/postgres-fay.hsfiles
+++ b/yesod-bin/hsfiles/postgres-fay.hsfiles
@@ -35,7 +35,6 @@ module Application
     ) where
 
 import Import
-import Settings
 import Yesod.Auth
 import Yesod.Default.Config
 import Yesod.Default.Main
@@ -46,6 +45,7 @@ import Network.Wai.Middleware.RequestLogger
 import qualified Network.Wai.Middleware.RequestLogger as RequestLogger
 import qualified Database.Persist
 import Database.Persist.Sql (runMigration)
+import Database.Persist.Postgresql (createPostgresqlPool, pgConnStr, pgPoolSize)
 import Network.HTTP.Client.Conduit (newManager)
 import Yesod.Fay (getFaySite)
 import Control.Monad.Logger (runLoggingT)
@@ -95,13 +95,12 @@ makeFoundation conf = do
     dbconf <- withYamlEnvironment "config/postgresql.yml" (appEnv conf)
               Database.Persist.loadConfig >>=
               Database.Persist.applyEnv
-    p <- Database.Persist.createPoolConfig (dbconf :: Settings.PersistConf)
 
     loggerSet' <- newStdoutLoggerSet defaultBufSize
     (getter, _) <- clockDateCacher
 
     let logger = Yesod.Core.Types.Logger loggerSet' getter
-        foundation = App
+        mkFoundation p = App
             { settings = conf
             , getStatic = s
             , connPool = p
@@ -110,11 +109,16 @@ makeFoundation conf = do
             , fayCommandHandler = onCommand
             , appLogger = logger
             }
+        tempFoundation = mkFoundation $ error "connPool forced in tempFoundation"
+        logFunc = messageLoggerSource tempFoundation logger
+
+    p <- flip runLoggingT logFunc
+       $ createPostgresqlPool (pgConnStr dbconf) (pgPoolSize dbconf)
+    let foundation = mkFoundation p
 
     -- Perform database migration using our application's logging settings.
-    runLoggingT
+    flip runLoggingT logFunc
         (Database.Persist.runPool dbconf (runMigration migrateAll) p)
-        (messageLoggerSource foundation logger)
 
     return foundation
 
@@ -215,7 +219,7 @@ instance Yesod App where
     -- The page to be redirected to when authentication is required.
     authRoute _ = Just $ AuthR LoginR
 
-    -- Routes not requiring authenitcation.
+    -- Routes not requiring authentication.
     isAuthorized (AuthR _) _ = return Authorized
     isAuthorized FaviconR _ = return Authorized
     isAuthorized RobotsR _ = return Authorized
diff --git a/yesod-bin/hsfiles/postgres.hsfiles b/yesod-bin/hsfiles/postgres.hsfiles
index 9618e92b..51959df1 100644
--- a/yesod-bin/hsfiles/postgres.hsfiles
+++ b/yesod-bin/hsfiles/postgres.hsfiles
@@ -34,7 +34,6 @@ module Application
     ) where
 
 import Import
-import Settings
 import Yesod.Auth
 import Yesod.Default.Config
 import Yesod.Default.Main
@@ -45,6 +44,7 @@ import Network.Wai.Middleware.RequestLogger
 import qualified Network.Wai.Middleware.RequestLogger as RequestLogger
 import qualified Database.Persist
 import Database.Persist.Sql (runMigration)
+import Database.Persist.Postgresql (createPostgresqlPool, pgConnStr, pgPoolSize)
 import Network.HTTP.Client.Conduit (newManager)
 import Control.Monad.Logger (runLoggingT)
 import System.Log.FastLogger (newStdoutLoggerSet, defaultBufSize)
@@ -92,13 +92,12 @@ makeFoundation conf = do
     dbconf <- withYamlEnvironment "config/postgresql.yml" (appEnv conf)
               Database.Persist.loadConfig >>=
               Database.Persist.applyEnv
-    p <- Database.Persist.createPoolConfig (dbconf :: Settings.PersistConf)
 
     loggerSet' <- newStdoutLoggerSet defaultBufSize
     (getter, _) <- clockDateCacher
 
     let logger = Yesod.Core.Types.Logger loggerSet' getter
-        foundation = App
+        mkFoundation p = App
             { settings = conf
             , getStatic = s
             , connPool = p
@@ -106,11 +105,16 @@ makeFoundation conf = do
             , persistConfig = dbconf
             , appLogger = logger
             }
+        tempFoundation = mkFoundation $ error "connPool forced in tempFoundation"
+        logFunc = messageLoggerSource tempFoundation logger
+
+    p <- flip runLoggingT logFunc
+       $ createPostgresqlPool (pgConnStr dbconf) (pgPoolSize dbconf)
+    let foundation = mkFoundation p
 
     -- Perform database migration using our application's logging settings.
-    runLoggingT
+    flip runLoggingT logFunc
         (Database.Persist.runPool dbconf (runMigration migrateAll) p)
-        (messageLoggerSource foundation logger)
 
     return foundation
 
@@ -210,7 +214,7 @@ instance Yesod App where
     -- The page to be redirected to when authentication is required.
     authRoute _ = Just $ AuthR LoginR
 
-    -- Routes not requiring authenitcation.
+    -- Routes not requiring authentication.
     isAuthorized (AuthR _) _ = return Authorized
     isAuthorized FaviconR _ = return Authorized
     isAuthorized RobotsR _ = return Authorized
diff --git a/yesod-bin/hsfiles/sqlite.hsfiles b/yesod-bin/hsfiles/sqlite.hsfiles
index 028526ee..7fd84b6b 100644
--- a/yesod-bin/hsfiles/sqlite.hsfiles
+++ b/yesod-bin/hsfiles/sqlite.hsfiles
@@ -34,7 +34,6 @@ module Application
     ) where
 
 import Import
-import Settings
 import Yesod.Auth
 import Yesod.Default.Config
 import Yesod.Default.Main
@@ -45,6 +44,7 @@ import Network.Wai.Middleware.RequestLogger
 import qualified Network.Wai.Middleware.RequestLogger as RequestLogger
 import qualified Database.Persist
 import Database.Persist.Sql (runMigration)
+import Database.Persist.Sqlite (createSqlitePool, sqlDatabase, sqlPoolSize)
 import Network.HTTP.Client.Conduit (newManager)
 import Control.Monad.Logger (runLoggingT)
 import System.Log.FastLogger (newStdoutLoggerSet, defaultBufSize)
@@ -92,13 +92,12 @@ makeFoundation conf = do
     dbconf <- withYamlEnvironment "config/sqlite.yml" (appEnv conf)
               Database.Persist.loadConfig >>=
               Database.Persist.applyEnv
-    p <- Database.Persist.createPoolConfig (dbconf :: Settings.PersistConf)
 
     loggerSet' <- newStdoutLoggerSet defaultBufSize
     (getter, _) <- clockDateCacher
 
     let logger = Yesod.Core.Types.Logger loggerSet' getter
-        foundation = App
+        mkFoundation p = App
             { settings = conf
             , getStatic = s
             , connPool = p
@@ -106,11 +105,16 @@ makeFoundation conf = do
             , persistConfig = dbconf
             , appLogger = logger
             }
+        tempFoundation = mkFoundation $ error "connPool forced in tempFoundation"
+        logFunc = messageLoggerSource tempFoundation logger
+
+    p <- flip runLoggingT logFunc
+       $ createSqlitePool (sqlDatabase dbconf) (sqlPoolSize dbconf)
+    let foundation = mkFoundation p
 
     -- Perform database migration using our application's logging settings.
-    runLoggingT
+    flip runLoggingT logFunc
         (Database.Persist.runPool dbconf (runMigration migrateAll) p)
-        (messageLoggerSource foundation logger)
 
     return foundation
 
@@ -210,7 +214,7 @@ instance Yesod App where
     -- The page to be redirected to when authentication is required.
     authRoute _ = Just $ AuthR LoginR
 
-    -- Routes not requiring authenitcation.
+    -- Routes not requiring authentication.
     isAuthorized (AuthR _) _ = return Authorized
     isAuthorized FaviconR _ = return Authorized
     isAuthorized RobotsR _ = return Authorized