Stop minimization on non-production builds

next.config.js

@@ -38,6 +38,13 @@ const nextConfig = {
   ...process.env.NEXT_PUBLIC_STATICALLY_OPTIMIZE === '1' && {
     experimental: { ppr: true },
   },
+  webpack: (config) => {
+    config.optimization ??= {};
+    if (process.env.NODE_ENV !== 'production') {
+      config.optimization.minimize = false;
+    }
+    return config;
+  },
 };
 
 const withBundleAnalyzer = require('@next/bundle-analyzer')({