Part of my development process involves using Mocha and Chai tests. I have a page in my test folder that loads all the code and tests, and I can start up a local node script that runs a simple local server, visit that page on http://localhost:8080/blahblahblah.html, and see the test results.
GitHub recently announced Codespaces and I signed up for the beta. If I start developing in a Codespace, I know there's a terminal there. If I run my testing server in that Codespace, how would I see the test results? Is it even possible to connect to the server in the container from outside? What would replace the URL I show above?
Found the answer here:
https://docs.github.com/en/codespaces/developing-in-codespaces/forwarding-ports-in-your-codespace
It's actually pretty surprising. You just have your web server app print a localhost URL to the console, and the Codespace automatically converts that to a clickable URL with the appropriate port-forwarding. Kind of a huge surprise, but also pretty cool.
Just tested and this works.