merge BASE_URL and BASE_PASH into ROOT_URL

flake.nix

@@ -28,6 +28,7 @@
         let
           dbPort = 3306;
           webPort = 4321;
+          webBasePath = "/craftattack";
           dbName = "website";
           dbUser = "website";
           dbPassword = "website";
@@ -49,8 +50,7 @@
             PAYPAL_LINK = "http://example.com";
             SERVER_IP = "example.com";
 
-            BASE_HOST = "http://localhost:4321";
-            BASE_PATH = "/craftattack";
+            ROOT_URL = "http://localhost:${toString webPort}${webBasePath}";
           };
 
           webRun = pkgs.writeShellApplication {
@@ -114,7 +114,7 @@
               readiness_probe.http_get = {
                 host = "127.0.0.1";
                 port = webPort;
-                path = devEnv.BASE_PATH;
+                path = webBasePath;
               };
             };
           };