Umbraco-CMS/templates/UmbracoProject/Properties/launchSettings.json

{
  "$schema": "https://json.schemastore.org/launchsettings.json",
  "iisSettings": {
    "windowsAuthentication": false,
    "anonymousAuthentication": true,
    "iisExpress": {
      "applicationUrl": "http://localhost:HTTP_PORT_FROM_TEMPLATE",
      "sslPort": HTTPS_PORT_FROM_TEMPLATE
    }
  },
  "profiles": {
    "IIS Express": {
      "commandName": "IISExpress",
      "launchBrowser": true,
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      }
    },
    "Umbraco.Web.UI": {
      "commandName": "Project",
      "dotnetRunMessages": true,
      "launchBrowser": true,
      "applicationUrl": "https://localhost:HTTPS_PORT_FROM_TEMPLATE;http://localhost:HTTP_PORT_FROM_TEMPLATE",
      "environmentVariables": {
        "ASPNETCORE_ENVIRONMENT": "Development"
      }      
    }
  }
}