--- a/pkg/auth/store.go	Sat Aug 21 15:01:52 2021 +0200
+++ b/pkg/auth/store.go	Mon Sep 20 17:45:39 2021 +0200
@@ -16,11 +16,12 @@
 import (
 	"bytes"
 	"errors"
-	"log"
 	"time"
 
+	bolt "go.etcd.io/bbolt"
+
 	"gemma.intevation.de/gemma/pkg/config"
-	bolt "go.etcd.io/bbolt"
+	"gemma.intevation.de/gemma/pkg/log"
 )
 
 // ErrNoSuchToken is returned if a given token does not
@@ -130,7 +131,7 @@
 		return b.Delete([]byte(token))
 	})
 	if err != nil {
-		log.Printf("error: %v\n", err)
+		log.Errorf("%v\n", err)
 	}
 }
 
@@ -163,7 +164,7 @@
 		return b.Put([]byte(token), buf.Bytes())
 	})
 	if err != nil {
-		log.Printf("error: %v\n", err)
+		log.Errorf("%v\n", err)
 	}
 }
 
@@ -252,10 +253,10 @@
 // If using the persistent mode the backing session database is closed.
 func (ss *SessionStore) Shutdown() error {
 	if db := ss.storage; db != nil {
-		log.Println("info: shutdown persistent session store.")
+		log.Infof("shutdown persistent session store.")
 		ss.storage = nil
 		return db.Close()
 	}
-	log.Println("info: shutdown in-memory session store.")
+	log.Infof("shutdown in-memory session store.")
 	return nil
 }