Matt Stauffer shows us how to install a secondary cert in Forge for the
In Forge, if you set up karaniapp.com as a site, www.karaniapp.com will forward there. But if you buy a non-wildcard SSL cert for karaniapp.com, it won’t work for www.karaniapp.com, so if someone types https://www.karaniapp.com/, it’ll give a security error.
The fix? Add an SSL cert for www.karaniapp.com too.