diff --git a/example/basic/sandbox.config.json b/example/basic/sandbox.config.json
index a4df8557..b53a7515 100644
--- a/example/basic/sandbox.config.json
+++ b/example/basic/sandbox.config.json
@@ -1,3 +1,7 @@
 {
-  "template": "node"
+  "template": "node",
+  "container": {
+    "node": "12",
+    "startScript": "npm run build && npm run start"
+  }
 }