Specify custom simulator domain

[bstiffler582]

When trying to containerize the auth0 simulator and run it separately from my app, I need to be able to reference the service with a domain other than "localhost". It seems as though the meta data returned from e.g. "/.well-known/openid-configuration" is hard coded as "localhost". Does the tool provide a means to change this value? I need to return something like:
{"issuer":"https://host.docker.internal:4400/"... } or "https://auth0sim.local:4400, etc.
otherwise my app container will be referencing itself.
I believe this is the last piece I need, unless I am (quite likely) missing a bigger picture here...

[taras]

@bstiffler582 welcome. This is a legitimate use case. I created an issue to track this #251

Would you be open to contributing a fix?

[bstiffler582]

@taras I can pull the source and take a look when I have time, but this is not my native tech stack so I would probably make a mess of it 🙃.