Canary Deployments: Shipping to 1% Before Shipping to Everyone A canary deployment routes a small fraction of production traffic to the new version, watches key metrics, and either promotes or rolls back automatically. A canary deployment is a release strategy where the new version of a service receives a small share of production traffic (often 1-5%), while the majority stays on the current version. If key health metrics on the canary stay within tolerance, the share expands progressively (5% → 25% → 50% → 100%); if they degrade, traffic auto-shifts back and the release is halted. The pattern turns 'we broke prod' from a company-wide incident into a paged-page investigation on 1% of users. Read the full guide on Startup Fundraising · Find investors · Browse the Library Related guides 409A Valuations: What They Actually Do, and Why You Should Care About the Number 409A Valuation Explained for Founders 83(b) Election Guide for Founders Startup Accelerators: When They're Worth It and When They Aren't Accelerator vs Angel: Which Comes First (2026) Accelerator vs Incubator: What's the Real Difference (2026) Accelerators vs Venture Capital Accessibility Audit: The Review That's Cheaper Than the Lawsuit
