XYY.Core/XYY.gRpc.Customer/Properties/launchSettings.json

{
  "profiles": {
    "XYY.gRpc.Customer": {
      "commandName": "Project",
      "dotnetRunMessages": "true",
      "launchBrowser": false,
      "applicationUrl": "http://localhost:5000;https://localhost:5001",
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      }
    }
  }
}