Zero Downtime Deployment means updating an application without stopping it π
In simple words
Users keep using the app
even while a new version is being deployed π§
Without zero downtime deployment β
β’ App goes offline
β’ Users face interruptions
β’ Business impact increases
π§ Why Zero Downtime Matters
β’ Better user experience π
β’ No service interruption
β’ Safer updates
β’ Professional production systems
π Where It Is Used
β’ Large scale web applications
β’ Banking and finance systems
β’ E commerce platforms
β’ SaaS products
π Common Zero Downtime Strategies
β’ Blue Green deployment π΅π’
β’ Rolling updates π
β’ Canary releases π¦
β’ Load balancer switching βοΈ
π» Example: Rolling Update Concept
Old version running
New version deployed gradually
Traffic shifted step by step
Old version removed
π¨ This Wraps up our long series.
π Thank you for following along!
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