For hosting this myself, the major 2 things I am seeing: this requires captcha it seems for link creation? I'm getting captcha errors. Would much prefer requir

For hosting this myself, the major 2 things I am seeing: this requires captcha it seems for link creation? I'm getting captcha errors. Would much prefer requires being signed in to work. And on that note, no easy ENV var type way to disable sign ups. I really like the concept, but would love it as private only.