docs: add snippet for `base` option (#7384)

1 files changed, 4 insertions, 1 deletions

diff --git a/packages/integrations/node/README.md b/packages/integrations/node/README.md
index 3eb8d1caf..165a0733d 100644
--- a/packages/integrations/node/README.md
+++ b/packages/integrations/node/README.md
@@ -92,7 +92,10 @@ import express from 'express';
 import { handler as ssrHandler } from './dist/server/entry.mjs';
 
 const app = express();
-app.use(express.static('dist/client/'))
+// Change this based on your astro.config.mjs, `base` option. 
+// They should match. The default value is "/".
+const base = "/";
+app.use(base, express.static('dist/client/'))
 app.use(ssrHandler);
 
 app.listen(8080);