Update Dockerfile

Dockerfile

@@ -12,8 +12,9 @@ RUN npm install
 # Copy source code
 COPY . .
 
-# Expose the port (HF Space default or custom)
+# Expose the port
 EXPOSE 3000
 
 # Start the server using tsx
+# The model will download to the default cache directory on first request
 CMD ["npx", "tsx", "server.ts"]