Breaking: Discount is applicable on sale category and not on menu category

Fix the import, etc on this.
While entering discount in sale, it checks the max allowed.

docker/app/Dockerfile

@@ -8,6 +8,9 @@ RUN npm install --unsafe-perm --legacy-peer-deps && /app/bookie/node_modules/.bi
 FROM python:latest
 LABEL maintainer="Amritanshu <docker@tanshu.com>"
 
+COPY --from=builder /app/barker /app
+COPY --from=builder /app/frontend /app/frontend
+
 RUN apt-get update && \
     apt-get install -y locales && \
     sed --in-place --expression='s/# en_IN UTF-8/en_IN UTF-8/' /etc/locale.gen && \
@@ -16,8 +19,6 @@ RUN apt-get update && \
 ENV LANG en_IN
 ENV LC_ALL en_IN
 
-COPY --from=builder /app/barker /app
-COPY --from=builder /app/frontend /app/frontend
 WORKDIR /app
 
 # Install Poetry