Nginx HTTP server, on the other hand, is designed from the ground up to act as a multi-purpose, front-facing web server. Unicorn is a remarkable application server that contains your Rails app to process incoming requests, preferably after having them filtered and sent by a front-end HTTP server such as Nginx. In this article, our choice of application server is Unicorn. Talking about features, it should be noted that there a handful of popular servers to choose from with each offering different functionality: some focusing on simplicity, some speed, and some a little bit of everything with possibility to configure options to suit complex production needs. This kind of real-world deployment set-up differs hugely from using a singular development server, which is designed to be used just for testing purposes since they cannot work under the loads of actual website traffic due to lack of functionality and features. When it comes to deploying web applications, there usually are a multitude of applications involved, set up in layers and working with each other. Web Application Deployment, Servers And Their Roles Preparing Rails Applications For Deployment
Although we will be building this structure on a single server for demonstration purposes, you can easily use multiple droplets to spread things and scale out easily – both horizontally and vertically! Glossaryġ. For this arrangement, we will use the ever-so-powerful, flexible, and extremely successful Unicorn application server running behind Nginx. In this DigitalOcean article, we are going to take a look at assembling a multi-layer deployment installation to host Rails based Ruby web applications. If, however, you wish to have more control of your server set-up or would like try something new that is more flexible, using a layered set of components can help you to achieve your goals – whether it is future-proofing the deployment or need of introducing third party elements such as caching servers. IntroductionĪpplication servers which are designed with simplicity can get you up and running in mere minutes when you are deploying your Rails based web-application. If available, we strongly recommend using a guide written for the version of CentOS you are using.
This guide might still be useful as a reference, but may not work on other CentOS releases. For this reason, this guide is no longer maintained. If you are currently operating a server running CentOS 6, we highly recommend upgrading or migrating to a supported version of CentOS.ĬentOS 6 reached end of life (EOL) on November 30th, 2020 and no longer receives security patches or updates. This article covers a version of CentOS that is no longer supported.
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