aspnetcore/samples/SampleApp/appsettings.Production.json

{
  "Kestrel": {
    "Endpoints": {
      "NamedEndpoint": { "Url": "http://*:6000" },
      "NamedHttpsEndpoint": {
        "Url": "https://*:6443",
        "Certificate": {
          "Path": "testCert.pfx",
          "Password": "testPassword"
        }
      }
    }
  }
}