install npm-check-updates

Author: syntapy

docker/Dockerfile.app

@@ -2,7 +2,7 @@ from node:22-bookworm
 
 run apt-get update && apt-get upgrade -y && \
     apt install -y net-tools sudo gosu && \
-    npm install -g npm@latest
+    npm install -g npm@latest npm-check-updates@latest
 
 user node