🐛 fix: docker deploy REDIS_URL check (#11773)

next.config.ts

@@ -1,10 +1,23 @@
 import { defineConfig } from './src/libs/next/config/define-config';
 
+const isVercel = !!process.env.VERCEL_ENV;
+
 const nextConfig = defineConfig({
   experimental: {
     webpackBuildWorker: true,
     webpackMemoryOptimizations: true,
   },
+  // Vercel serverless optimization: exclude musl binaries
+  // Vercel uses Amazon Linux (glibc), not Alpine Linux (musl)
+  // This saves ~45MB (29MB canvas-musl + 16MB sharp-musl)
+  outputFileTracingExcludes: isVercel
+    ? {
+        '*': [
+          'node_modules/.pnpm/@napi-rs+canvas-*-musl*',
+          'node_modules/.pnpm/@img+sharp-libvips-*musl*',
+        ],
+      }
+    : undefined,
   webpack: (webpackConfig, context) => {
     const { dev } = context;
     if (!dev) {