In a company’s early days, the difference between C-level executives and the rest of the organization is simple — employees can walk away from a failure, leaders cannot. Under those conditions, certain types of people thrive in leadership positions and get a company from ideation to production.
At SLOConf 2021 I talked about how we may use error budgets to add pass/fail criterias to reliability tests we run as part of our CI pipelines. As Site Reliability Engineers, one of our primary goals is to reduce manual labor, or toil, to a minimum while at the same time keeping the systems we manage as reliable and available as possible. To be able to do this in a safe way, it's really important that we're able to easily inspect the state of the system.
Cloud testing is expected to grow to USD 11 Billion by 2023 , and we are talking about only cloud testing here, not cloud computing. Complex testing scenarios such as cross-browser testing, parallel testing, can be made more effective when done on the cloud. The reason being – the cloud provides the required testing environment effortlessly and can be scaled up or down as needed.
In the previous chapter of this series, we looked at hot code reloading in Elixir and why we should use GenServer to implement long-running processes. But to organize a whole application, we need one more building block — supervisors. Let’s take a look at supervisors in detail.
Tailwind CSS is a popular CSS framework that helps developers quickly build and style web pages with a unique utility-based approach. Unlike other CSS frameworks, it comes with its own build tooling. In this article, Jeffery Morhous walks us through setting up Tailwind CSS with Rails and Webpacker.