[scurth]

I love these types of projects. It is not rocket science, nor anyhow complicated to solve and from security standpoint way better than any off the shelf solution. Think about it: you grant access to a random company, with people working there you do not know, security standards out of your control, and if they decide to change the product you simply have to deal with it.

I did a similar solution a while ago, documented all the steps to replicate such setup: https://www.sascha-curth.de/projekte/004_Garagentor.html

I wrote it in german, but chrome/google translate is tested for English, Spanish and Portuguese. And comments/remarks are welcome via github issues.