Reverse is proxy is a strategy of redirect the inbound requests to specific resources. Using docker you will need use the same host port to many purposes. In this time you will up a reverse proxy to redirect the domain requests to a specific container network.
Tevun is not better then Traefik, CapRover, Devilbox or another mature tool. In fact you achieve the same result with several other tools. We continue to maintain Tevun because it is the way we believe it to be simpler for most of the scenarios we deal with. If looks useful to you go on, else let it go.