Package: wnpp Owner: Georg Faerber <ge...@debian.org> Severity: wishlist X-Debbugs-Cc: debian-devel@lists.debian.org
Package name : nginx-unit Version : 1.28.0 Upstream Author : Nginx team members and contributors URL : https://github.com/nginx/unit License : Apache Software License (ASL) 2.0 Programming Lang: C Description : polyglot app server, reverse proxy, and static file server nginx-unit is a lightweight and versatile open-source server that has three core capabilities: * it is an HTTP reverse proxy, * a web server for static media assets, * and an application server that runs code in seven languages. Key Features Flexibility * The entire configuration is managed dynamically over HTTP via a RESTful JSON API * Updates to the configuration are performed granularly at runtime with zero interruption * Requests are routed between static content, upstream servers, and local apps * Request filtering and dispatching uses elaborate matching rules that allow regular expressions * Apps in multiple languages and language versions run side by side * Common language-specific APIs for all supported languages run seamlessly * Upstream server groups provide dynamic load balancing using a weighted round-robin method * Originating IP identification supports X-Forwarded-For and similar header fields Performance * Requests are asynchronously processed in threads with efficient event loops (epoll, kqueue) * Syscalls and data copy operations are kept to a necessary minimum * 10,000 inactive HTTP keep-alive connections take up only a few MBs of memory * Router and app processes rely on low-latency IPC built with lock-free queues over shared memory * Built-in statistics provide insights into Unit’s performance * The number of per-app processes is defined statically or scales preemptively within given limits * App and instance usage statistics are collected and exposed via the API * Multithreaded request processing is supported for Java, Perl, Python, and Ruby apps Security & Robustness * Client connections are handled by a separate non-privileged router process * Low-resource conditions (out of memory or descriptors) and app crashes are handled gracefully * SSL/TLS with SNI, session cache and tickets is integrated (OpenSSL 1.0.1 and later) * Different apps are isolated in separate processes * Apps can be additionally containerized with namespace and file system isolation * Static file serving benefits from chrooting, symlink and mount point traversal restrictions Supported App Languages * Binary-compiled languages in general: using the embedded libunit library * Go: by overriding the http module * JavaScript (Node.js): by automatically overloading the http and websocket modules * Java: using the Servlet Specification 3.1 and WebSocket APIs * Perl: using PSGI * PHP: using a custom SAPI module * Python: using WSGI or ASGI with WebSocket support * Ruby: using the Rack API Upstream docs available via https://unit.nginx.org/.
