Yes there is evidence. Just a few days ago a third trans candidate in Ohio ran into the same problem and their board of elections overturned the rejection during their appeal.
So this year you’ve had 3 trans candidates with the same problem. 2 upheld and 1 overturned during the appeals process.
I have a feeling you don’t quite understand what Docker is doing for you and how it works. I suggest looking for an intro to Docker and understand the basics around Docker volumes and networking in docker before trying to orchestrate a complex set of software in Docker.
Don’t give up! I was you about 6 years ago. I’m on my 3rd server setup now, and I’ve gone from where you are now, to being able to script my setup using Ansible and having those scripts versioned in Git, so I never have to worry about remembering how it’s all glued together.