Container por is wrong. Must be `8081` than `8080`

[mancier]

Hello There! I openned this to propose a correction in a documentation.
When I see the examples I found this:
grpcurl -format-error -plaintext -d '{ "uri": "localhost:8081", "method": "Echoserver.Status", "message": "{ \"status\": \"random\" }" }' 'localhost:8081' Echoserver.Request
The request is made for :8081

But when I run the docker container I have this in example:
docker run -it --rm --name echoserver -p 8080:8080 ghcr.io/ricoberger/echoserver:latest
Mirroring the wrong port, :8080.

Changing the port for :8081 I ran correctly
docker run -it --rm --name echoserver -p 8081:8081 ghcr.io/ricoberger/echoserver:latest

[ricoberger]

Hi @mancier, thanks for pointing this out. The documentation should be fixed by #97.

Port 8080 is used by the HTTP server and port 8081 is used by the gRPC server.