Update Dockerfile

Dockerfile

@@ -24,7 +24,5 @@ EXPOSE 7860
 # Set user to non-root
 USER node
 
-# Compile and run Java code
-CMD ["sh", "-c", "javac -d /code/temp /code/temp/*.java && java -cp /code/temp Main"]
-
-
+# Start Node.js application
+CMD ["node", "index.js"]