[CAL-359] env variables runtime checks

[zomars]

https://github.com/calcom/cal.com/pull/3586

From SyncLinear.com | CAL-359

[PeerRich]

this one feels like it would solve a lot of docker issues right? lets prioritize this higher

[zomars]

You read my mind

[OmarMcAdam]

I built a module for Nuxt recently that effectively halted build/start based on init scripts: https://www.npmjs.com/package/nuxt-server-init I will check to see if there are similar hooks within NextJS, but Im not too familiar with the ecosystem so it may take a bit longer.