Update Dockerfile

Dockerfile

@@ -57,15 +57,23 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
 RUN curl -sL https://deb.nodesource.com/setup_20.x | sudo -E bash -\
     && apt install nodejs
 
+RUN chmod g+rw $HOME && \
+    mkdir -p $HOME/app && \
+    chown -R user:user $HOME/app
+
 WORKDIR $HOME/app
 
-RUN chmod 777 $HOME/app/
+
 RUN git clone https://github.com/ntkhang03/Anonymous-Notepad
 
 WORKDIR $HOME/app/Anonymous-Notepad
 
+RUN chown user: $HOME/app/Anonymous-Notepad
+
 RUN npm install
 
+USER user
+
 EXPOSE 3000
 
 ENTRYPOINT ["npm", "start"]