Why can't swoole replace nginx?

Swoole cannot replace common HTTP servers such as Apache and Nginx.

But PHP applications developed based on Swoole can also be used without relying on Apache and Nginx. Provide production-level HTTP services. (Recommended learning:swoole video tutorial)

Because Swoole has built-in asynchronous multi-process and can handle static files, record logs and support PHP programming HTTP server.

In other words, you can use swoole_http_server as a PHP application server, just like Tomcat is to Java. Tomcat can provide HTTP services without relying on Apache and Nginx.

In short, in order to simplify development In terms of operation and maintenance, you can completely ignore Apache and Nginx in the early stage and focus on writing business logic around swoole_http_server.

In addition, Swoole also has a built-in WebSocket server, and swoole_websocket_server includes swoole_http_server, that is to say ：

Listen to the request event to process HTTP.

Listen to the open and message events to process WebSocket.

Whether you are using HTTP long connection (AJAX long polling) Or WebSocket full-duplex connection, you can completely separate from Apache and Nginx and only focus on Swoole to implement your instant messaging service.

In fact, you can understand Swoole as an Nginx server that supports PHP asynchronous programming.

Management still requires nginx, it cannot replace nginx

If your service is large enough to require HTTP/WebSocket reverse proxy, of course Nginx’s reverse proxy is more professional .

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