Kubernetes Deployment Strategies Explained
Blog post from Harness
Kubernetes supports several deployment strategies, such as rolling, canary, and blue/green, to facilitate smooth updates while minimizing risks. Rolling deployments update nodes in a continuous manner, canary releases introduce changes to a small subset of users to test for issues, and blue/green deployments switch traffic between two nearly identical environments to avoid downtime. These strategies are key in deploying production-ready containerized applications and are chosen based on the application's architecture, such as monolithic, microservices, or serverless. Each method ensures reliable application delivery, maintains uptime, and gathers initial user feedback, reducing the risk of deploying faulty code. Platforms like Harness provide tools that simplify the deployment process by supporting these strategies, allowing developers to make informed choices that suit their application's needs.