Eating Your Vegetables - How to Manage 2.5 Million Lines of YAML

Explore a conference talk that delves into the challenges and solutions for managing large-scale Kubernetes configurations. Learn how Intuit handles 2.5 million lines of YAML across 200 clusters, 2500 git repositories, and 9000 namespaces using GitOps. Discover the journey through various configuration management approaches, including templating with Helm, overlays with Kustomize, and codifying with jsonnet and cdk8s. Understand why Intuit ultimately chose Kustomize and how its remote base capabilities enable centralized pattern definition while allowing developer customization. Gain insights into the hard lessons learned in managing YAML at scale and hear predictions about the future of Kubernetes configuration management. Examine the considerations for developers building bespoke applications as a service, focusing on business logic rather than platform details. Analyze different approaches to configuration management, their advantages, and disadvantages, including the challenges of zero configuration reuse, complex templates, and the learning curve associated with various tools. Explore Intuit's case study on automation and migrations, addressing the difficulties of upgrading YAML configurations and managing thousands of pull requests.