add rust to dockerfile

Dockerfile

@@ -15,9 +15,9 @@ ENV UVICORN_WS_PROTOCOL=websockets
 # Set the working directory
 WORKDIR $HOME/app
 
-# Install curl (required for rustup)
+# Install system dependencies (curl and build tools)
 USER root
-RUN apt-get update && apt-get install -y curl
+RUN apt-get update && apt-get install -y curl build-essential
 USER user
 
 # Install Rust using rustup