Next.js feature flag system separates code deployment from feature release

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A DEV Community article proposes separating feature deployment from release using feature flags in Next.js applications. The approach allows developers to deploy code with features disabled, then gradually enable them for specific user percentages while monitoring performance. The article provides a custom implementation using deterministic percentage rollouts, allowlists, kill switches, and expiration dates rather than relying on vendor services. This method enables rapid feature toggling and reduces risk compared to traditional all-or-nothing deployments.

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