Node.js Feature Flags in Production: LaunchDarkly, Unleash, and Custom Toggles
javascript
dev.to
Node.js Feature Flags in Production: LaunchDarkly, Unleash, and Custom Toggles The safest way to deploy new code is to ship it to production without turning it on. Feature flags — also called feature toggles — make this possible. They decouple code deployment from feature activation, letting you release to a subset of users, run A/B tests, and kill features instantly without a redeploy. This guide covers three approaches for production Node.js: the LaunchDarkly SDK (managed, enterpri