Binary package “nginx-doc” in ubuntu bionic

small, powerful, scalable web/proxy server - documentation

 Nginx ("engine X") is a high-performance web and reverse proxy server
 created by Igor Sysoev. It can be used both as a standalone web server
 and as a proxy to reduce the load on back-end HTTP or mail servers.
 .
 This package provides extra documentation to help unleash the power of Nginx.