We went viral with a broken app

An unexpected viral moment on Reddit led to a significant learning experience for a startup that encountered backend issues due to a surge in user sign-ups after posting a blog called "Never ship on Fridays." The popularity of the blog, aimed at expressing the frustrations of developers, brought attention to the product but also revealed a critical flaw in the setup process, as the spike in traffic overwhelmed their auto-scaling backend infrastructure. The problem occurred because the second step of the user sign-up process, which involved taking a screenshot in a real browser, ran on the same service as the backend, leading to scaling issues. Although the company had robust testing coverage, they did not routinely run end-to-end tests in production, a gap they have since addressed by implementing continuous testing and manual scaling alerts. This experience emphasized the importance of being cautious with releases and blog posts on Fridays, and the company has committed to improving its infrastructure to prevent similar issues in the future.