Fix Vite module not found error in production Docker deployments

Update Dockerfile to compile server files separately without bundling, preventing Vite dependency issues in production. Includes troubleshooting documentation for the Vite module error.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: ceced2fc-aa46-458d-ba87-ddd4b7bb1518
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/659922a9-0087-461c-90dd-6d9a58b81d4d/ceced2fc-aa46-458d-ba87-ddd4b7bb1518/SBF5OKZ

server/index.ts

@@ -44,16 +44,22 @@ app.use((req, res, next) => {
 });
 
 (async () => {
-  // Dynamically import utilities based on environment
+  // Import utilities based on environment
+  // Use require-style imports to avoid bundler issues
   let log: (message: string, source?: string) => void;
   let serveStatic: (app: express.Express) => void;
   let setupVite: ((app: express.Express, server: any) => Promise<void>) | undefined;
 
   if (app.get("env") === "development") {
-    const viteModule = await import("./vite");
-    log = viteModule.log;
-    setupVite = viteModule.setupVite;
-    serveStatic = viteModule.serveStatic;
+    try {
+      const viteModule = await import("./vite");
+      log = viteModule.log;
+      setupVite = viteModule.setupVite;
+      serveStatic = viteModule.serveStatic;
+    } catch (error) {
+      console.error("Failed to load vite module:", error);
+      process.exit(1);
+    }
   } else {
     const staticModule = await import("./static");
     log = staticModule.log;