![]() ![]() Let’s also not forget about Airbnb and Shopify, which highlight the tool's reliability and functionality when it comes to building everything from relatively simple sites to world-famous high traffic portals. Sites built using this platform include, which has 112.1 million monthly visits. code that is publicly available) Ruby on Rails has leveraged the knowledge, skills, and understanding of over 5,000 developers to achieve what it is today - version 7.0.0 (as of December 2021), went through thousands of changes, applications, and fixes to improve and improve the structure.Īs of December 2021, 418,000 global websites have been created using Ruby on Rails on 201,500 unique domains. Rails is a web app framework written in the Ruby programming language that was first developed in 2004. This amazing framework allows us to deliver state-of-the-art web applications and help startups and businesses of different sectors scale up quickly and efficiently. You learned about application servers in Ruby, like Puma & Thin, so you now have a better understanding of why we use them.At Ideamotive, we just love Ruby on Rails. Out of these three, it looks like Puma gets you the best performance.īut that won’t matter if you have a slow SQL query, or if you’re looping through arrays with millions of elements on every request. Running a simple Rack app with this command: PThreads Programming Which Server Is Faster? This translates into a performance gain for the multithreaded program.” “The operating system performs less work on behalf of a multithreaded program than it does for a multiprocess program. Puma is multi-threaded, which usually results in less memory usage. The main reason they mention is, that if you use Unicorn – an alternative app server – you are susceptible to slow client attacks. Why would you want to choose Puma over other servers? Now that we understand what an application server is & why it’s useful. Nginx can handle connections more effectively & it can serve static assets (css & js files) without having to forward the request to your application. Using Nginx in production can still be helpful. ![]() That’s why we need Puma or any other Rack-compatible web server. Nginx is a general webserver, it handles a request & if there is a matching file for that request it will return that file.īut Nginx doesn’t know anything about Rack, or Ruby. How is a web server like Apache or Nginx different from a Ruby server? ![]() ![]() Application Server vs Web Server (Nginx & Apache) “When concerns are well-separated, there are higher degrees of freedom for module reuse as well as independent development and upgrade.”ĭepending on your situation & preferences. It also allows you to switch the chef to Sinatra, or the waiter to Thin! Having things set up this way allows everyone to do their best. Puma is the waiter, it takes orders & forwards them to the kitchen.Rails offers the menu of things a user can do, but it’s also the chef, it gets things done.Show a product page where you can buy a 100% cacao chocolate bar.Rails job and your application’s job is to serve the user request. Separation of concerns! Understanding Separation of Concerns We do this because it allows for a fundamental software design principle. Why do we use an app server, instead of having Rails directly handle requests? I explain Rack in detail in another article. The job of Puma, or any other rack-based server (like Thin / Unicorn), is to handle the browser’s request & pass it along to your application through a common interface. Localhost points to a special IP address, 127.0.0.1, which always refers to your computer Your browser connects to localhost, on port 3000, where a Ruby application server like Puma is waiting. So you open your browser, you point it at localhost:3000, or maybe localhost:4567 if you’re using Sinatra. You want to see it load in your browser, even if just to see the default “welcome” page. Let’s say you start building your new shiny web application in Ruby. Let me explain what an application server is & why do we need them with an example. What’s this “Puma” thing that starts running when you do rails server? ![]()
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