diff --git a/packages/wp-now/src/config.ts b/packages/wp-now/src/config.ts
index aef30bb2..553c917a 100644
--- a/packages/wp-now/src/config.ts
+++ b/packages/wp-now/src/config.ts
@@ -13,6 +13,7 @@ import { isValidWordPressVersion } from './wp-playground-wordpress';
 import getWpNowPath from './get-wp-now-path';
 import { DEFAULT_PHP_VERSION, DEFAULT_WORDPRESS_VERSION } from './constants';
 import { isWebContainer, HostURL } from '@webcontainer/env';
+import express from 'express';
 
 export interface CliOptions {
 	php?: string;
@@ -47,6 +48,7 @@ export interface WPNowOptions {
 	blueprintObject?: Blueprint;
 	reset?: boolean;
 	landingPage?: string;
+	app?: express.Express
 }
 
 export const DEFAULT_OPTIONS: WPNowOptions = {
diff --git a/packages/wp-now/src/start-server.ts b/packages/wp-now/src/start-server.ts
index 64cf0e46..2f411c49 100644
--- a/packages/wp-now/src/start-server.ts
+++ b/packages/wp-now/src/start-server.ts
@@ -43,7 +43,7 @@ export async function startServer(
 			`The given path "${options.projectPath}" does not exist.`
 		);
 	}
-	const app = express();
+	const app = options.app ? options.app : express();
 	app.use(compression({ filter: shouldCompress }));
 	app.use(addTrailingSlash('/wp-admin'));
 	const port = await portFinder.getOpenPort();