Seperate servers

server/apiServer.ts

@@ -0,0 +1,56 @@
+import express, { Request, Response } from "express";
+import cors from "cors";
+import cookieParser from "cookie-parser";
+import config from "@server/config";
+import logger from "@server/logger";
+import { errorHandlerMiddleware, notFoundMiddleware, rateLimitMiddleware } from "@server/middlewares";
+import { authenticated, unauthenticated } from "@server/routers/external";
+import { router as wsRouter, handleWSUpgrade } from "@server/routers/ws";
+import { logIncomingMiddleware } from "./middlewares/logIncoming";
+
+const dev = process.env.ENVIRONMENT !== "prod";
+const externalPort = config.server.external_port;
+
+export function createApiServer() {
+  const apiServer = express();
+  
+  // Middleware setup
+  apiServer.set("trust proxy", 1);
+  apiServer.use(cors());
+  apiServer.use(cookieParser());
+  apiServer.use(express.json());
+  
+  if (!dev) {
+    apiServer.use(
+      rateLimitMiddleware({
+        windowMin: config.rate_limit.window_minutes,
+        max: config.rate_limit.max_requests,
+        type: "IP_ONLY",
+      })
+    );
+  }
+
+  // API routes
+  const prefix = `/api/v1`;
+  apiServer.use(logIncomingMiddleware);
+  apiServer.use(prefix, unauthenticated);
+  apiServer.use(prefix, authenticated);
+  
+  // WebSocket routes
+  apiServer.use(`/ws`, wsRouter);
+  
+  // Error handling
+  apiServer.use(notFoundMiddleware);
+  apiServer.use(errorHandlerMiddleware);
+
+  // Create HTTP server
+  const httpServer = apiServer.listen(externalPort, (err?: any) => {
+    if (err) throw err;
+    logger.info(`API server is running on http://localhost:${externalPort}`);
+  });
+
+  // Handle WebSocket upgrades
+  handleWSUpgrade(httpServer);
+
+  return httpServer;
+}