diff --git a/containers/zammad/Dockerfile b/containers/zammad/Dockerfile
index e2bbe63..a862055 100644
--- a/containers/zammad/Dockerfile
+++ b/containers/zammad/Dockerfile
@@ -49,6 +49,8 @@ RUN groupadd -g 1000 ${ZAMMAD_USER} \
     && bundle install --without test development mysql \
     && contrib/packager.io/fetch_locales.rb \
     && sed -e 's#.*adapter: postgresql#  adapter: nulldb#g' -e 's#.*username:.*#  username: postgres#g' -e 's#.*password:.*#  password: \n  host: zammad-postgresql\n#g' < config/database.yml.pkgr > config/database.yml \
+    && sed -i '/# Use a different logger for distributed setups./a \ \ config.logger = Logger.new(STDOUT)' config/environments/production.rb \
+    && sed -i 's/.*scheduler_\(err\|out\).log.*//g' script/scheduler.rb \
     && bundle exec rake assets:precompile \
     && rm -r tmp/cache \
     && chown -R ${ZAMMAD_USER}:${ZAMMAD_USER} ${ZAMMAD_TMP_DIR}
diff --git a/containers/zammad/docker-entrypoint.sh b/containers/zammad/docker-entrypoint.sh
index e2851d1..4c4082a 100644
--- a/containers/zammad/docker-entrypoint.sh
+++ b/containers/zammad/docker-entrypoint.sh
@@ -5,13 +5,17 @@ set -e
 : "${ELASTICSEARCH_HOST:=zammad-elasticsearch}"
 : "${ELASTICSEARCH_PORT:=9200}"
 : "${MEMCACHED_HOST:=zammad-memcached}"
+: "${MEMCACHED_PORT:=11211}"
 : "${POSTGRESQL_HOST:=zammad-postgresql}"
+: "${POSTGRESQL_PORT:=5432}"
 : "${POSTGRESQL_USER:=postgres}"
 : "${POSTGRESQL_PASS:=}"
 : "${POSTGRESQL_DB:=zammad_production}"
 : "${POSTGRESQL_DB_CREATE:=true}"
 : "${ZAMMAD_RAILSSERVER_HOST:=zammad-railsserver}"
+: "${ZAMMAD_RAILSSERVER_PORT:=3000}"
 : "${ZAMMAD_WEBSOCKET_HOST:=zammad-websocket}"
+: "${ZAMMAD_WEBSOCKET_PORT:=6042}"
 : "${NGINX_SERVER_NAME:=_}"
 
 function check_zammad_ready {
@@ -26,19 +30,21 @@ function check_zammad_ready {
 if [ "$1" = 'zammad-init' ]; then
   # install / update zammad
   test -f ${ZAMMAD_READY_FILE} && rm ${ZAMMAD_READY_FILE}
-  rsync -a --delete --exclude 'storage/fs/*' --exclude 'public/assets/images/*' ${ZAMMAD_TMP_DIR}/ ${ZAMMAD_DIR}
+  rsync -a --delete --exclude 'public/assets/images/*' --exclude 'storage/fs/*' ${ZAMMAD_TMP_DIR}/ ${ZAMMAD_DIR}
   rsync -a ${ZAMMAD_TMP_DIR}/public/assets/images/ ${ZAMMAD_DIR}/public/assets/images
 
-  until (echo > /dev/tcp/${POSTGRESQL_HOST}/5432) &> /dev/null; do
+  until (echo > /dev/tcp/${POSTGRESQL_HOST}/${POSTGRESQL_PORT}) &> /dev/null; do
     echo "zammad railsserver waiting for postgresql server to be ready..."
     sleep 5
   done
 
   cd ${ZAMMAD_DIR}
 
-  # configure database & cache
+  # configure database
   sed -e "s#.*adapter:.*#  adapter: postgresql#g" -e "s#.*database:.*#  database: ${POSTGRESQL_DB}#g" -e "s#.*username:.*#  username: ${POSTGRESQL_USER}#g" -e "s#.*password:.*#  password: ${POSTGRESQL_PASS}\n  host: ${POSTGRESQL_HOST}\n#g" < config/database.yml.pkgr > config/database.yml
-  sed -i -e "s/.*config.cache_store.*file_store.*cache_file_store.*/    config.cache_store = :dalli_store, '${MEMCACHED_HOST}:11211'\n    config.session_store = :dalli_store, '${MEMCACHED_HOST}:11211'/" config/application.rb
+
+  # configure memcache
+  sed -i -e "s/.*config.cache_store.*file_store.*cache_file_store.*/    config.cache_store = :dalli_store, '${MEMCACHED_HOST}:${MEMCACHED_PORT}'\n    config.session_store = :dalli_store, '${MEMCACHED_HOST}:${MEMCACHED_PORT}'/" config/application.rb
 
   echo "initialising / updating database..."
   # db mirgrate
@@ -70,6 +76,7 @@ if [ "$1" = 'zammad-init' ]; then
   done
 
   if [ -z "$(curl -s ${ELASTICSEARCH_HOST}:${ELASTICSEARCH_PORT}/_cat/indices |grep zammad)" ]; then
+    curl -s ${ELASTICSEARCH_HOST}:${ELASTICSEARCH_PORT}/_cat/indices
     echo "rebuilding es searchindex..."
     bundle exec rake searchindex:rebuild
   fi
@@ -87,7 +94,7 @@ if [ "$1" = 'zammad-nginx' ]; then
 
   # configure nginx
   if [ -z "$(env|grep KUBERNETES)" ]; then
-    sed -e "s#server .*:3000#server ${ZAMMAD_RAILSSERVER_HOST}:3000#g" -e "s#server .*:6042#server ${ZAMMAD_WEBSOCKET_HOST}:6042#g" -e "s#server_name .*#server_name ${NGINX_SERVER_NAME};#g" -e 's#/var/log/nginx/zammad.\(access\|error\).log#/dev/stdout#g' < contrib/nginx/zammad.conf > /etc/nginx/sites-enabled/default
+    sed -e "s#server .*:3000#server ${ZAMMAD_RAILSSERVER_HOST}:${ZAMMAD_RAILSSERVER_PORT}#g" -e "s#server .*:6042#server ${ZAMMAD_WEBSOCKET_HOST}:${ZAMMAD_WEBSOCKET_PORT}#g" -e "s#server_name .*#server_name ${NGINX_SERVER_NAME};#g" -e 's#/var/log/nginx/zammad.\(access\|error\).log#/dev/stdout#g' < contrib/nginx/zammad.conf > /etc/nginx/sites-enabled/default
   fi
 
   echo "starting nginx..."
@@ -104,7 +111,7 @@ if [ "$1" = 'zammad-railsserver' ]; then
 
   echo "starting railsserver..."
 
-  exec gosu ${ZAMMAD_USER}:${ZAMMAD_USER} bundle exec rails server puma -b [::] -p 3000 -e ${RAILS_ENV}
+  exec gosu ${ZAMMAD_USER}:${ZAMMAD_USER} bundle exec rails server puma -b [::] -p ${ZAMMAD_RAILSSERVER_PORT} -e ${RAILS_ENV}
 fi
 
 
@@ -128,5 +135,5 @@ if [ "$1" = 'zammad-websocket' ]; then
 
   echo "starting websocket server..."
 
-  exec gosu ${ZAMMAD_USER}:${ZAMMAD_USER} bundle exec script/websocket-server.rb -b 0.0.0.0 -p 6042 start
+  exec gosu ${ZAMMAD_USER}:${ZAMMAD_USER} bundle exec script/websocket-server.rb -b 0.0.0.0 -p ${ZAMMAD_WEBSOCKET_PORT} start
 fi