Update log settings

Caddyfile

@@ -21,7 +21,11 @@
 
 (log) {
     log {
-        output file /var/log/caddy/access.log
+        output file /var/log/caddy/access.log {
+            roll_size 1GiB
+            roll_keep 5
+            roll_keep_for 168h
+        }
     }
 }