Overriding appsettings.json section with environment variable

"Tenants": {
  "ByCode": {
    "11": {
      "Name": "acme"
    },
    "42": {
      "Name": "silver"
    }
  }
}

export Tenants='{"ByCode": {"11": {"Name": "acme"}, "42": {"Name": "silver"}}}'

builder.Services.Configure<TenantsOptions>(
        builder.Configuration.GetSection(TenantsOptions.SectionName));

public class TenantsOptions
{
    public const string SectionName = "Tenants";

    public Dictionary<string, Tenant> ByCode { get; set; } = new();
}

public class Tenant
{
    public string Name { get; set; }
}