Merge pull request #6275 from Shopify/08-18-make_local_servers_listen_on_localhost

Make local servers listen on localhost

Author: isaacroldan

packages/app/src/cli/services/dev/extension/server.ts

@@ -42,6 +42,6 @@ export function setupHTTPServer(options: SetupHTTPServerOptions) {
 
   // eslint-disable-next-line @typescript-eslint/no-misused-promises
   const httpServer = createServer(httpApp)
-  httpServer.listen(options.devOptions.port)
+  httpServer.listen(options.devOptions.port, 'localhost')
   return httpServer
 }

packages/app/src/cli/services/dev/processes/setup-dev-processes.ts

@@ -273,5 +273,5 @@ export const startProxyServer: DevProcessFunction<{
     `Proxy server started on port ${port} ${localhostCert ? `with certificate ${localhostCert.certPath}` : ''}`,
     stdout,
   )
-  await server.listen(port)
+  await server.listen(port, 'localhost')
 }