# Blue Green and Canary Deployments Explained

DevFeed: [Blue Green and Canary Deployments Explained](<https://devfeed.tech/articles/blue-green-and-canary-deployments-explained-17480.md>)

Original publisher: [Read original article](<https://kodekloud.com/blog/blue-green-and-canary-deployments-explained/>)

Author: Pramodh Kumar M

Published: 2026-08-09T16:30:08Z

Content type: tutorial

Language: en

Sources: [Kubernetes - KodeKloud Blog | DevOps, Cloud, Kubernetes, AI Tutorials & More](<https://devfeed.tech/sources/kubernetes-kodekloud-blog-devops-cloud-kubernetes-ai-tutorials-more.md>)

Topics: [Deployment](<https://devfeed.tech/topics/deployment.md>), [Software](<https://devfeed.tech/topics/software.md>), [Database](<https://devfeed.tech/topics/database.md>)

Tags: [argo-rollouts](<https://devfeed.tech/tags/argo-rollouts.md>), [automation](<https://devfeed.tech/tags/automation.md>), [blue-green-and-canary-deployments](<https://devfeed.tech/tags/blue-green-and-canary-deployments.md>), [ci-cd](<https://devfeed.tech/tags/ci-cd.md>), [ci-cd-pipeline](<https://devfeed.tech/tags/ci-cd-pipeline.md>), [cloud](<https://devfeed.tech/tags/cloud.md>), [database](<https://devfeed.tech/tags/database.md>), [deployment](<https://devfeed.tech/tags/deployment.md>), [deployment-strategies](<https://devfeed.tech/tags/deployment-strategies.md>), [devops](<https://devfeed.tech/tags/devops.md>), [dora-change-failure-rate](<https://devfeed.tech/tags/dora-change-failure-rate.md>), [expand-and-contract-migration](<https://devfeed.tech/tags/expand-and-contract-migration.md>), [feature-flags](<https://devfeed.tech/tags/feature-flags.md>), [guide](<https://devfeed.tech/tags/guide.md>), [kubernetes](<https://devfeed.tech/tags/kubernetes.md>), [progressive-delivery](<https://devfeed.tech/tags/progressive-delivery.md>), [release-management](<https://devfeed.tech/tags/release-management.md>), [rollback](<https://devfeed.tech/tags/rollback.md>), [rolling-update](<https://devfeed.tech/tags/rolling-update.md>), [schema](<https://devfeed.tech/tags/schema.md>), [sre](<https://devfeed.tech/tags/sre.md>), [traffic-splitting](<https://devfeed.tech/tags/traffic-splitting.md>), [zero-downtime-deployment](<https://devfeed.tech/tags/zero-downtime-deployment.md>)

## AI overview

This guide explains blue-green and canary deployment strategies for replacing running software versions. It emphasizes that effective rollback depends on detecting problems with reliable metrics and that database schema changes can limit reversibility.

## Source excerpt

Both strategies buy you the same thing, which is a cheap way to be wrong. The mechanism is the easy part, and the two hard parts are noticing you are wrong and dealing with the database.