Finished of cloud backup and restore feature

Dockerfile

@@ -15,10 +15,12 @@ COPY . .
 RUN yarn build
 
 # Production Stage
+ENV PORT 80
+
 FROM nginx:1.15.7-alpine as production-stage
 
 COPY --from=build-stage /app/dist /usr/share/nginx/html
 
-EXPOSE 80
-
+EXPOSE ${PORT}
+VOLUME /usr/share/nginx/html/item-icons
 CMD ["nginx", "-g", "daemon off;"]