Change the Start Script and Added NODE_ENV to the env vars also for the dockerized Version

docker/docker-entrypoint.sh

@@ -7,6 +7,7 @@ chmod +x /etc/cron-env.sh
 # Write the Env Vars into a file for cron. happens during runtime of the container and not build.
 # List your environment variables here
 env_vars=(
+  NODE_ENV
   TZ
   DB_FILEPATH
   DB_FILENAME