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Web Server is the software responsible for receiving and processing HTTP requests from customers (such as web browsers) and maintaining static files. It is usually used in conjunction with Application Server such as Passenger, Puma, or Unicorn to deploy Rails applications. This helps to divide functionality between servers, ensuring efficient maintenance of both static and dynamic web application content.
Application Server is the software responsible for hosting and maintaining Ruby on Rails-based applications, managing Ruby code execution, processing incoming HTTP requests, and generating responses. Its main goal is to ensure that web applications written in Ruby on Rails work efficiently by executing software code and processing requests.
The difference between a web server and an application server
The main difference between Application Server and Web Server is their functionality and purpose.
Application Server designed for hosting and maintaining applications. It is able to execute program code, manage the execution of this code, process HTTP requests that come from clients and generate responses to them. In other words, Application Server is responsible for dynamic content and application logic.
Web Server, instead, is designed to handle HTTP requests from customers and maintain static files such as HTML, CSS, JavaScript, etc. Its main function is to receive requests and send answers to customers. The web server is not capable of executing program code, but only transmits it to the corresponding Application Server, which performs the necessary operations.
The main difference is that Application Server executes program code and handles dynamic content, while Web Server handles HTTP requests and handles static content. Both servers are often used together to efficiently deploy and maintain web applications.
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