Restore the Dockerfile like it was

core/admin/Dockerfile

@@ -9,23 +9,23 @@ LABEL version=$VERSION
 RUN set -euxo pipefail \
   ; apk add --no-cache libressl mariadb-connector-c postgresql-libs
 
-EXPOSE 80/tcp
-
-HEALTHCHECK CMD curl -skfLo /dev/null http://localhost/sso/login
-
-VOLUME ["/data","/dkim"]
-
-ENV FLASK_APP=mailu
-
 COPY --from=assets /work/static/ ./mailu/static/
+
 COPY audit.py /
 COPY start.py /
-COPY migrations/ ./migrations/
-COPY mailu/ ./mailu/
 
+COPY migrations/ ./migrations/
+
+COPY mailu/ ./mailu/
 RUN set -euxo pipefail \
   ; venv/bin/pybabel compile -d mailu/translations
 
 RUN echo $VERSION >/version
 
+EXPOSE 80/tcp
+HEALTHCHECK CMD curl -skfLo /dev/null http://localhost/sso/login?next=ui.index
+
+VOLUME ["/data","/dkim"]
+
+ENV FLASK_APP=mailu
 CMD /start.py