chore: fix deployment eval error and add middleware safety checks

next.config.mjs

@@ -1,8 +1,10 @@
 /** @type {import('next').Config} */
 const nextConfig = {
     productionBrowserSourceMaps: false,
-    webpack: (config, { isServer }) => {
-        if (isServer) {
+    webpack: (config, { isServer, dev }) => {
+        // Disable source maps for the server build in production 
+        // to prevent EvalError in strict environments (e.g. Coolify)
+        if (isServer && !dev) {
             config.devtool = false;
         }
         return config;