Nginx

Web server configuration, reverse proxy, SSL/TLS, load balancing, caching, and security.

Configuration Structure

# /etc/nginx/nginx.conf — contexts nest: main → events/http → server → location
main context          # worker_processes, error_log, pid
├── events { }        # worker_connections, multi_accept
├── http { }          # upstream, server, mime types, logging
│   ├── server { }    # listen, server_name, ssl
│   │   └── location { }  # request routing
│   └── upstream { }  # backend pools
└── stream { }        # TCP/UDP proxying (mail, databases)