diff --git a/models/schools.model b/models/schools.model
index 9ecc4d935..7e959cff6 100644
--- a/models/schools.model
+++ b/models/schools.model
@@ -6,7 +6,7 @@ School json
     examMinimumRegisterBeforeStart NominalDiffTime Maybe
     examMinimumRegisterDuration    NominalDiffTime Maybe
     examRequireModeForRegistration Bool default=false
-    examDiscouragedModes ExamModeDNF default='{"dnf-terms": []}'
+    examDiscouragedModes ExamModeDNF default='{"dnf-terms":[]}'
     examCloseMode ExamCloseMode default='separate'
     sheetAuthorshipStatementMode SchoolAuthorshipStatementMode default='optional'
     sheetAuthorshipStatementDefinition AuthorshipStatementDefinitionId Maybe
diff --git a/nix/docker/default.nix b/nix/docker/default.nix
index 7fbcd696e..ddba4fb58 100644
--- a/nix/docker/default.nix
+++ b/nix/docker/default.nix
@@ -26,7 +26,7 @@ let
       # pandoc  # just for manual testing within the pod, remove for production, since we use the library instead!
       curl wget netcat # just for manual testing within the pod, remove for production!
       openldap  # just for manual testing within the pod, remove for production!
-      build-essentials
+      iana-etc
     ] ++ optionals isDemo [ postgresql_12 memcached uniworx.uniworx.components.exes.uniworxdb ];
 
     runAsRoot = ''
diff --git a/routes b/routes
index 019712a6c..152afe2b8 100644
--- a/routes
+++ b/routes
@@ -39,7 +39,7 @@
 /static StaticR EmbeddedStatic appStatic                      !free
 /auth   AuthR   Auth   getAuth                                !free
 
-/metrics     MetricsR GET
+/metrics     MetricsR GET																			!free -- verify if this can be free
 
 /err                          ErrorR           GET            !free
 
diff --git a/src/Foundation/Yesod/Middleware.hs b/src/Foundation/Yesod/Middleware.hs
index f0c078ec7..c39fb9256 100644
--- a/src/Foundation/Yesod/Middleware.hs
+++ b/src/Foundation/Yesod/Middleware.hs
@@ -137,6 +137,7 @@ yesodMiddleware = cacheControlMiddleware . storeBearerMiddleware . csrfMiddlewar
       case route of
         MetricsR -> mzero
         HealthR -> mzero
+        StatusR -> mzero
         InstanceR -> mzero
         AdminCrontabR -> mzero
         _other -> return ()
@@ -147,7 +148,7 @@ yesodMiddleware = cacheControlMiddleware . storeBearerMiddleware . csrfMiddlewar
       approotHost <- hoistMaybe $ approotScopeHost rApproot app
       let doRedirect = do
             url <- approotRender rApproot route
-            $logDebugS "normalizeApprootMiddleware" url
+            $logDebugS "normalizeApprootMiddleware redirect" url
             redirect url
       if | approotHost /= reqHost
          , rApproot /= ApprootUserGenerated