Update Dockerfile

Dockerfile

@@ -36,7 +36,8 @@ RUN pip install --no-cache-dir  -r requirements.txt
 COPY --chown=pn frontend frontend
 WORKDIR $HOME/app/frontend
 RUN npm install
-RUN npm run build && cp -r dist/. /usr/share/nginx/html
+RUN npm run build && cp -r dist/. /usr/share/nginx/html && ls /usr/share/nginx/html
+
 
 
 # Switch back to the app directory and setup the backend