diff --git a/rootfs_overlay/lkmc/nodejs/env.js b/rootfs_overlay/lkmc/nodejs/env.js
new file mode 100755
index 0000000..e297592
--- /dev/null
+++ b/rootfs_overlay/lkmc/nodejs/env.js
@@ -0,0 +1,5 @@
+#!/usr/bin/env node
+
+for (const key of Object.keys(process.env).sort()) {
+  console.log(`${key} ${process.env[key]}`);
+}