diff --git a/app.js b/app.js
index 9586c13c..7482e2c5 100644
--- a/app.js
+++ b/app.js
@@ -34,6 +34,7 @@ apostrophe({
     // use vite for asset bundling and hot module reloading
     '@apostrophecms/vite': {},
     // The project's first custom page type.
-    'default-page': {}
+    'default-page': {},
+    'hostname-redirects': {}
   }
 });
diff --git a/modules/hostname-redirects/index.js b/modules/hostname-redirects/index.js
new file mode 100644
index 00000000..54f91c16
--- /dev/null
+++ b/modules/hostname-redirects/index.js
@@ -0,0 +1,22 @@
+export default {
+  middleware(self) {
+    return {
+      redirects(req, res, next) {
+        if (![ 'GET', 'HEAD' ].includes(req.method)) {
+          return next();
+        }
+        const protocol = process.env.ENV ? 'https' : 'http';
+        const portSuffix = process.env.ENV ? '' : ':3000';
+        const mapping = {
+          'altfr.localhost': 'fr.localhost',
+          'alten.localhost': 'en.localhost'
+        };
+        const mapped = mapping[req.hostname];
+        if (mapped) {
+          return res.redirect(`${protocol}://${mapped}${portSuffix}${req.url}`);
+        }
+        return next();
+      }
+    }
+  }
+}
\ No newline at end of file