⇒ services.nginx: Support both HTTP and HTTPS in a single virtualHost #25533 github 
services.nginx = { enable = true; recommendedProxySettings = false; recommendedTlsSettings = true; virtualHosts = { "wiki.ralfbarkow.ch" = { enableACME = true; enableSSL = true; extraConfig = '' listen 80; ''; locations."/" = { proxyPass = "http://127.0.0.1:3000"; proxyWebsockets = true; }; };