working on timezone problems

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

Dockerfile

@@ -1,7 +1,7 @@
 FROM alpine:3.22 AS svelte_build
 RUN apk add npm
 RUN adduser -Dh /home/svelte svelte
-ADD . /home/svelte/Umbrella
+ADD frontend /home/svelte/Umbrella/frontend
 RUN chown -R svelte /home/svelte/Umbrella
 USER svelte
 WORKDIR /home/svelte/Umbrella/frontend
@@ -29,5 +29,6 @@ COPY --from=java_build /Umbrella/backend/build/libs/backend.jar /home/umbrella/j
 RUN mkdir .config \
  && ln -s /host/config.json .config/Umbrella.json \
  && chmod a+rx plantuml.jar \
- && chown -R umbrella .
+ && chown -R umbrella . \
+ && ln -s /usr/share/zoneinfo/Europe/Berlin /etc/localtime
 USER umbrella