Progressive Delivery
Argo Rollouts, Flagger, canary deployments, blue-green, traffic splitting, automated rollbacks
1What is Progressive Delivery in the DevOps context?
What is Progressive Delivery in the DevOps context?
Cevap
Progressive Delivery is a deployment approach that allows gradually releasing new application versions by finely controlling traffic exposure. Unlike traditional deployments where all traffic switches immediately, Progressive Delivery uses strategies like canary or blue-green to gradually expose the new version. This reduces risks by enabling progressive validation, fast rollback and metric analysis before complete rollout.
2What is a canary deployment?
What is a canary deployment?
Cevap
A canary deployment is a deployment strategy where a new version is first exposed to a small percentage of users (5-10%) before being progressively deployed to all traffic. The term comes from canaries used in mines to detect toxic gases. This approach allows validating the new version in production with limited risk, analyzing metrics (errors, latency) and rolling back quickly if issues are detected.
3What is a blue-green deployment?
What is a blue-green deployment?
Cevap
A blue-green deployment is a strategy where two identical environments (blue and green) are maintained in parallel. The new version is deployed to the inactive environment while the active environment continues serving traffic, then traffic instantly switches to the new environment. This approach allows immediate rollback by redirecting traffic to the old environment if issues occur, but requires double the resources.
What is Argo Rollouts?
What is Flagger?
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