Testing services using dev tunnels

Dev tunnels are a technology concept that’s gained traction among web service developers. Dev tunnels create a secure, public URL that maps to a local server on your machine. This means you can share your local development environment with anyone in the world, without deploying the web service to a public server.

Imagine you’re working on a web application on your laptop. Normally, the app would only be accessible to you, since it’s running on your local server as localhost. If you, the developer, wanted someone else, like a tester, to try it out, you’d have to deploy it to a public server, which can be a hassle, especially for quick feedback loops.

Dev tunnels work by establishing a secure connection between your local server and a service that creates a publicly accessible URL. This URL points directly back to your local server. When someone accesses this URL, the dev tunnel service routes that traffic to your...