Using feature flags with Unleash and Node.js

The text discusses the use of feature flags in software development, highlighting their ability to enable or disable features without restarting applications, which is useful for quickly addressing issues in deployed features. It provides an example of how feature flags can prevent downtime and facilitate fixes by allowing developers to disable problematic code until a solution is ready. The text further explains the setup and use of Unleash, a system for managing feature flags, using a Node.js application as a case study. It covers the advantages of feature flags, such as the ability to test features with specific user groups and gather feedback, as well as potential drawbacks like the risk of accumulating obsolete code and creating poor user experiences if not managed properly. The text concludes by emphasizing that while feature flags can reduce stress during releases and provide valuable insights, they require careful management to avoid code bloat.