SSL certificates in dev & test environments
In simplest cases and for simplest projects, we don't bother with SSL certificates... until we start to work with some feature that won't work without it like WebRTC or PWA. Same thing if you want to start working with third party APIs.
Generating self-signed certificate quickly becomes mandatory, and managing them between several projects can be challenging if you don't do it properly...
Have you ever heard about Root Certificates? It makes our lives better 