diff --git a/docker/zammad/Dockerfile b/docker/zammad/Dockerfile
index b51e5b5..6197edf 100644
--- a/docker/zammad/Dockerfile
+++ b/docker/zammad/Dockerfile
@@ -3,28 +3,26 @@ ARG ZAMMAD_VERSION=6.3.1
 FROM node:20-slim as node
 
 FROM zammad/zammad-docker-compose:${ZAMMAD_VERSION} AS builder
-ARG DEBIAN_FRONTEND=noninteractive
-ARG RAILS_ENV=production
-ARG ZAMMAD_DIR=/opt/zammad
 COPY --from=node /opt /opt
 COPY --from=node /usr/local/bin /usr/local/bin
 SHELL ["/bin/bash", "-e", "-o", "pipefail", "-c"]
-RUN mkdir -p /opt/zammad/contrib/link/addons
-COPY addons ${ZAMMAD_DIR}/contrib/link/addons
-COPY setup.rb ${ZAMMAD_DIR}/contrib/link/setup.rb
-COPY install.rb ${ZAMMAD_DIR}/contrib/link/install.rb
 WORKDIR ${ZAMMAD_DIR}
+RUN mkdir -p /opt/zammad/contrib/link/addons
+COPY addons contrib/link/addons
+COPY setup.rb contrib/link/setup.rb
+COPY install.rb contrib/link/install.rb
+
 USER root
 RUN sed -i '/script\/build\/cleanup\.sh/d' contrib/docker/setup.sh
 RUN contrib/docker/setup.sh builder
 ARG EMBEDDED=false
 RUN if [ "$EMBEDDED" = "true" ] ; then sed -i '/proxy_set_header X-Forwarded-User "";/d' ${ZAMMAD_DIR}/contrib/nginx/zammad.conf; fi
 RUN sed -i '/^[[:space:]]*# es config/a\
-echo "about to reinstall..."\n\
-bundle exec rails runner /opt/zammad/contrib/link/setup.rb\n\
-bundle exec rake zammad:package:migrate\n\
-bundle exec rails r "Setting.set(\"es_ssl_verify\", \"${ELASTICSEARCH_SSL_VERIFY}\")"'\n\
-/docker-entrypoint.sh
+  echo "about to reinstall..."\n\
+  bundle exec rails runner /opt/zammad/contrib/link/setup.rb\n\
+  bundle exec rake zammad:package:migrate\n\
+  bundle exec rails r "Setting.set(\"es_ssl_verify\", \"${ELASTICSEARCH_SSL_VERIFY}\")"\n\
+ ' /docker-entrypoint.sh
 RUN ZAMMAD_SAFE_MODE=1 DATABASE_URL=postgresql://zammad:/zammad bundle exec rails runner /opt/zammad/contrib/link/install.rb
 RUN ZAMMAD_SAFE_MODE=1 DATABASE_URL=postgresql://zammad:/zammad bundle exec rake assets:precompile