Add production deployment

deployment/frontend/server.js

@@ -0,0 +1,22 @@
+// server.js
+const express = require('express');
+const { createProxyMiddleware } = require('http-proxy-middleware');
+const path = require('path');
+
+const app = express();
+const port = process.env.PORT || 3000;
+const backendHost = process.env.BACKEND_HOST || "http://localhost:8300";
+const file_path = process.env.STATIC_FILE_PATH || ".";
+
+app.use('/api', createProxyMiddleware({
+    target: backendHost,
+    changeOrigin: true,
+    pathRewrite: { '^/api': '' },
+    ws: true
+}));
+
+app.use(express.static(path.resolve(file_path)));
+
+app.listen(port, () => {
+    console.log(`Server launched на http://localhost:${port}`);
+});