All API downloads have not been working for more than 10 hours. Please check it out.
The compiler was stuck for some reason, but it should be resolved by now. Can you try?
This has been an ongoing issue with the go command. Sorry about that.
Just a note, our build server / download page does not come with any guarantees, it’s merely a convenience, especially for first-timers. So if you rely on building Caddy often, please consider using xcaddy yourself instead.