Wow, posts like these kind of want me to sign up and become a customer. The honesty and openness is something I highly value and it's weird that this is so uncommon that you get surprised by reading stuff like this.
Seems like they have a good understanding what the problems are so they will most likely be solved sooner or later.
Good work and keep honesty as open as you've done so far :)
I'm all for SQLite and I am a fan of the author of the project but for a webserver I have turned my back away from Nginx for https://caddyserver.com/ because of the simplicity.
Caddy is just really awesome as a reverse proxy (2 line config!!) and I am in the processes of moving all my projects to it. It is fast enough as well since other things will be the bottle neck way before that.
I am not affiliated with Caddy in any way, just blown away by the quality of it.
I work in a small team, we just install and configure everything without Docker, Kubernetes or anything else. Just install it like I would with any other software and then run it after configuration. When it's time to deploy we have a bash script that bundles the app and pushes it onto the server.
Seems like they have a good understanding what the problems are so they will most likely be solved sooner or later.
Good work and keep honesty as open as you've done so far :)