Zero Downtime Deployment Strategies for Front-End & APIs
In today’s fast-paced digital world, downtime is no longer an option. Whether you're deploying a static React app or a microservices-based API, users expect continuous access without hiccups. But how do you release new features or fixes without interrupting service? Let’s explore key strategies that enable zero downtime deployments —especially for front-end applications and backend APIs . Why Zero Downtime Matters User trust: Even a few seconds of downtime can disrupt user experience. SEO implications: Downtime can negatively impact crawlability and indexing. Revenue: For SaaS and eCommerce, downtime equals lost sales. Strategies for Front-End Zero Downtime 1. Atomic Deployments (Immutable Builds) Deploy new versions into a new directory or bucket (e.g., /builds/12345 ) and switch traffic only after the deployment completes. Used with: Netlify , Vercel , Cloudflare Pages S3 + CloudFront with versioned objects 2. Blue-Green Deployments Two environments: Blue (current) and Green ...