diff --git a/flake.nix b/flake.nix
index 90bbece..e1806cf 100644
--- a/flake.nix
+++ b/flake.nix
@@ -46,6 +46,7 @@
             tokei
           ];
           GOPATH = "/home/coder/.cache/go";
+          RECORED_MYSQL_DSN = "recoredui:A123456a-@tcp(mysql.dev:3306)/recoredui?charset=utf8mb4";
         };
 
         nixosModule = { config, pkgs, lib, ... }: with lib;