Update Dockerfile

Dockerfile

@@ -30,6 +30,3 @@ RUN curl -s https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-linux-amd64.zip >
 RUN NGROK_URL=$(curl --silent --show-error http://localhost:4040/api/tunnels | jq '.tunnels[0].public_url') \
     && if [ -z "$NGROK_URL" ]; then echo "Failed to get ngrok URL" && exit 1; fi \
     && echo "RDP connection: $NGROK_URL"
-
-# Keep Docker running
-CMD while true; do echo "Keeping Docker running..." && sleep 300; done