Update Dockerfile

Dockerfile

@@ -1,6 +1,7 @@
 # Use a specific version of the node image as a base
 FROM node:16-alpine
 
+# Install necessary dependencies including JDK, Python, pip, and g++
 RUN apk add --no-cache openjdk11 python3 py3-pip g++
 
 # Set working directory
@@ -23,6 +24,7 @@ EXPOSE 7860
 # Set user to non-root
 USER node
 
-# Start Node.js application
-CMD ["node", "index.js"]
+# Compile and run Java code
+CMD ["sh", "-c", "javac -d /code/temp /code/temp/*.java && java -cp /code/temp Main"]
+