Traefik isn't worth the trouble. We used it in production over the course of 2 years, and it was consistently our only source of downtime due to rediculous bugs: not closing file descriptors, breaking changes, and silent failures with no log output, panic or exit even with debug logs enabled.

As you mentioned, the docs are terrible. What makes that worse are the undocumented breaking changes between each release. They don't even pretend to follow semver, so v1.5 broke v1.4, and v1.6 broke v1.5. Each update you pray that it doesn't take your whole setup down. If anything goes wrong, since nothing is documented and there's often no logs explaining what went wrong, you might be down for an extended period while you make 100 best-guess changes to the config that worked in staging, but for whatever reason isn't working in production. May the odds be ever in your favor.

Last I checked, Traefik was 988,000 (!!!) lines of code. That's 20x the size of my very complex web application. I replaced it with 500 lines of go providing all the essential features for me. Higher reliability, way fewer bugs, no breaking changes.