Resolving Tenants in Deployed Abp Application #4695

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If you're creating a bug/problem report, please include followings:

• ABP Framework version: v7.0.1

• UI type: MVC

• DB provider: EF Core

• Tiered (MVC) or Identity Server Separated (Angular): no

• Exception message and stack trace

• 403: Forbidden:

• Steps to reproduce the issue:"

I have configured the application to use the DomainName Tenant resolver

var mydomain = configuration["App:Domain"];
Configure(options =>
{
    options.AddDomainTenantResolver("{0}." + mydomain);
});

If I do it this way I have to create a new Website under IIS and setup DNS records for the subdomain for each new tenant and also purchase a new SSL Certificate for each subdomain so that it can have the Https://.
Is there a better way to manage the creation and management of the tenants?
I can't find any documentation anywhere on how to configure the other TenantReolvers such as the RouteTenantResolveContributor.
How do we set up the Url for this one?

Maybe I am configuring the DOmainTenant resolver incorrectly and there is a way around having to setup the subdomain in IIS and purching a SSL certificate for each tenant. If so then can you let me know what I should be doing instead. If this is needed for the DomaiinTenantResolver can you let me know where I can find documentation on how to configure the other tenant resolvers and what the format of the Url would look like where this is applicable?

Thanks