Docker deployment Mysql issue

My Librenms is deployed on docker container, I’m getting the following error while trying to push ./daily.sh
Please advise

root@librenms:/# ./daily.sh
bash: ./daily.sh: No such file or directory
root@librenms:/# cd /opt/librenms/
root@librenms:/opt/librenms# ./daily.sh
Re-running /opt/librenms/daily.sh as librenms user
MySQL Error: Database configuration not configured
MySQL Error: Database configuration not configured
Updating Composer packages OK
MySQL Error: Database configuration not configured
Updated from unset to OK
MySQL Error: Database configuration not configured
Updating SQL-Schema OK
Updating submodules OK
Cleaning up DB FAIL
MySQL Error: Database configuration not configured
MySQL Error: Database configuration not configured
MySQL Error: Database configuration not configured
MySQL Error: Database configuration not configured
MySQL Error: Database configuration not configured
MySQL Error: Database configuration not configured
MySQL Error: Database configuration not configured
MySQL Error: Database configuration not configured
MySQL Error: Database configuration not configured
MySQL Error: Database configuration not configured
MySQL Error: Database configuration not configured
MySQL Error: Database configuration not configured
Fetching notifications FAIL
MySQL Error: Database configuration not configured
Caching PeeringDB data FAIL
MySQL Error: Database configuration not configured
root@librenms:/opt/librenms#

Where and how is your MySQL deployed?

I used this guide https://github.com/jarischaefer/docker-librenms/blob/master/MYSQL.md
It creates additional docker container and links it into the main Librenms container

The primary connection info is stored in .env now.