Update Dockerfile

Dockerfile

@@ -3,7 +3,7 @@ RUN chmod 777 -R /root
 WORKDIR /app
 RUN chmod 777 -R /app
 RUN apt update -y && apt upgrade -y
-RUN apt install nodejs -y
+RUN apt-get install -y nodejs npm
 RUN apt install python3 -y && apt install python3-pip -y
 RUN pip3 install flask --break-system-packages
 RUN npm i gritty