ersatztv/ErsatzTV/Properties/launchSettings.json

{
  "profiles": {
    "ErsatzTV": {
      "commandName": "Project",
      "launchBrowser": false,
      "applicationUrl": "http://0.0.0.0:8989",
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      }
    }
  }
}