update Dockderfile

Dockerfile

@@ -1,11 +1,13 @@
 FROM ubuntu:latest
 
 ADD entrypoint.sh /entrypoint.sh
+USER root
+WORKDIR /home/app
+COPY ./package.json /home/app/package.json
 RUN apt-get update
-RUN apt-get install curl
-RUN curl -sL https://deb.nodesource.com/setup_10.x | sudo -E bash -
-RUN apt-get install nodejs
-RUN curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.34.0/install.sh | bash
-RUN nvm install node
+RUN apt-get -y install curl gnupg
+RUN curl -sL https://deb.nodesource.com/setup_11.x  | bash -
+RUN apt-get -y install nodejs
+RUN npm install
 RUN chmod +x /entrypoint.sh
 ENTRYPOINT ["/entrypoint.sh"]