Igor Šarčević

Being able to control your CI pipeline programmatically, tweak and bend it to your will, is a huge benefit for both small and large organizations.

N+1 queries are making your Rails app painfully slow. Learn how to eliminate them from your project.

This article is part of our Faster Rails series. Check out the previous article about proper database indexing. As the scope and size of a Rails project grows, actions that were blazingly fast can become slow, and even downright unacceptable. The cause behind this issue can be an exponential growth of your database tables that […]

If your Rails app is getting slower, here’s how to properly index your database to make your Active Record queries faster.

Ruby and Rails are slow — this argument is often used to downplay the worth of the language and the framework. This statement in itself is not false. Generally speaking, Ruby is slower than its direct competitors such as Node.js and Python. Yet, many businesses from small startups to platforms with millions of users use […]

Deploying your services packaged in lightweight Docker images has many practical benefits. In a container, your service usually comes with all the dependencies it needs to run, it’s isolated from the rest of the system, and deployment is as simple as running a docker run command on the target system.

Introduction Over the last fifteen years, SSH has become a standard tool for remote management of Unix-like systems and many network devices. SSH stands for Secure Shell, and is one of the ways to get a command line (shell) access on a remote machine. It was designed to be a secure alternative to previous access […]