Development Settings
While you are doing development work, you can assign a temporary TCP port for running your application.
Development-time settings are in the /Properties/launchSettings.json file.
{ "$schema": "https://json.schemastore.org/launchsettings.json", "profiles": { "http": { "commandName": "Project", "dotnetRunMessages": true, "launchBrowser": false, "applicationUrl": "http://localhost:1337", "environmentVariables": { "ASPNETCORE_ENVIRONMENT": "Development" } } }}