Tools like lockbox are not necessary, nginx, caddy, etc or heck even a normal 70 line python3 fastapi based script works just fine and should be more extendable

Tools like lockbox are not necessary, nginx, caddy, etc or heck even a normal 70 line python3 fastapi based script works just fine and should be more extendable than lockbox. Well in that case you could make that argument about any piece of software. There's always value in providing a simple tool for handling & automating the complexity found in 90% of use cases.