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Choosing The Right Deployment Strategy
Experts explore the pros and cons of rolling updates, serverless deployments, and other strategies to minimize downtime and ensure high availability in modern applications.
- Applications that require downtime for updates are severely flawed.
- Rolling updates are necessary for stateless applications that can be updated without disrupting users.
- Serverless deployments are useful for handling unpredictable loads and scaling, but can be expensive and have limitations.
- Recap: stateful applications require Recruit strategy, while highly available applications use rolling updates or canary deployments.
- Health checks are not reliable indicators of system performance and should be used with caution.
- Rolling updates are not suitable for stateful applications and can lead to downtime.
- Blue-green deployments are not highly available and can cause service disruption.
- Canary deployments require real usage data to function effectively.
- Progressive rollout is useful for debugging and finding issues, but not a suitable deployment strategy.
- Highly available applications should use rolling updates or canary deployments.
- Flagger and Istio are tools that can help with deployment strategies.
- Serverless deployments will likely become more popular in the future.