Fix Docker deployment by resolving module resolution errors

Update build process and imports to ensure Node.js ESM compatibility for Docker deployments, addressing ERR_MODULE_NOT_FOUND errors by separating server compilation and adding .js extensions to all relative imports.

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

@@ -1,6 +1,6 @@
 import express, { type Request, Response, NextFunction } from "express";
-import { registerRoutes } from "./routes";
-import { initializeDatabase, closeDatabase } from "./db";
+import { registerRoutes } from "./routes.js";
+import { initializeDatabase, closeDatabase } from "./db.js";
 
 const app = express();
 app.use(express.json());
@@ -52,7 +52,7 @@ app.use((req, res, next) => {
 
   if (app.get("env") === "development") {
     try {
-      const viteModule = await import("./vite");
+      const viteModule = await import("./vite.js");
       log = viteModule.log;
       setupVite = viteModule.setupVite;
       serveStatic = viteModule.serveStatic;
@@ -61,7 +61,7 @@ app.use((req, res, next) => {
       process.exit(1);
     }
   } else {
-    const staticModule = await import("./static");
+    const staticModule = await import("./static.js");
     log = staticModule.log;
     serveStatic = staticModule.serveStatic;
   }