diff --git a/nextcloud_devenv/patch_config.php b/nextcloud_devenv/patch_config.php
new file mode 100644
index 0000000..1445146
--- /dev/null
+++ b/nextcloud_devenv/patch_config.php
@@ -0,0 +1,7 @@
+<?php
+include 'config.php';
+$host_port=$argv[1];
+$CONFIG['overwrite.cli.url'] = 'http://' . $host_port ;
+$CONFIG['trusted_domains'] = [$host_port];
+print("<?php\n");
+print( '$CONFIG='.var_export($CONFIG,true).';');