Node.js
js
import { renderToPipeableStream } from "react-dom/server.node";
import React from "react";
import http from "http";
const App = () => (
  <html>
    <body>
      <h1>Hello World</h1>
      <p>This is an example.</p>
    </body>
  </html>
);
var didError = false;
http
  .createServer(function (req, res) {
    const stream = renderToPipeableStream(<App />, {
      onShellReady() {
        res.statusCode = didError ? 500 : 200;
        res.setHeader("Content-type", "text/html");
        res.setHeader("Cache-Control", "no-transform");
        stream.pipe(res);
      },
      onShellError(error) {
        res.statusCode = 500;
        res.send(
          '<!doctype html><p>Loading...</p><script src="clientrender.js"></script>',
        );
      },
      onAllReady() {
      },
      onError(err) {
        didError = true;
        console.error(err);
      },
    });
  })
  .listen(3000);
Deno
```js
import { renderToReadableStream } from "https://esm.run/react-dom/server";
import * as React from "https://esm.run/react";
const App = () => (
  <html>
    <body>
      
Hello World
      This is an example.
    </body>
  </html>
);
const headers = {
  headers: {
    "Content-Type": "text/html",
    "Cache-Control": "no-transform",
  },
};
Deno.serve(
  async (req) => {
    return new Response(await renderToReadableStream(<App />), headers);
  },
  { port: 3000 },
);
```
Bun
```js
import { renderToReadableStream } from "react-dom/server";
const headers = {
  headers: {
    "Content-Type": "text/html",
  },
};
const App = () => (
  <html>
    <body>
      
Hello World
      This is an example.
    </body>
  </html>
);
Bun.serve({
  port: 3000,
  async fetch(req) {
    return new Response(await renderToReadableStream(<App />), headers);
  },
});
```