There was a recent related discussion on Hacker News and the top comment discusses why this sort of solution is not likely to be the best fit for smaller organizations. In short, doing it well requires time and effort from someone technically sophisticated, who must do more than the bare minimum for good results, as you just learned.
Even then, it’s likely to be less reliable than solutions hosted by big corporations and when there’s a problem, it’s your problem. I don’t want to discourage you, but understand what you’re committing to and make sure you have adequate buy-in in your organization.
While photographers use a variety of focal lengths for portraits, the focal length that’s most associated with portrait photography is 85mm. This article from lens review site Imaging Resource illustrates the point; most of the lenses are 85mm or equivalent (e.g. 42.5mm on m43 with a crop factor of 2 making the field of view equivalent to 85mm).