It's interesting almost no web server provides an easy way to deal with multi-tenant multi-domain architectures in a good way that includes automatic SSL. Caddy is the closest, but still not near enough. There is this small segment of the market that we operate in that requires thousands of TLS connected domains to be hosted behind a dynamic backend. It's services like Tumblr, Wordpress.com, or any other hosting serv…
The SDS (Secrets Discovery Service) supports this, and is touched on in TFA: https://www.envoyproxy.io/docs/envoy/latest/intro/arch_overv...
You provide a gRPC service that can return the keypair needed for any host, with host config also being dynamic.
https://www.envoyproxy.io/docs/envoy/latest/configuration/se...