Kubernetes Application Best Practices

Best practices for applications on Kubernetes

git clone this repo and work your way through the individual READMEs in the following order:

App Components

• What a Pod is and what a Pod is not

• Use Deployments for stateless components

• Resource requests and limits

• Use Services to expose and access your components

App Troubleshooting

• Streamline your troubleshooting efforts

App Patterns

• Use StatefulSets for stateful components

• Configure components via environment variables and use ConfigMaps for configuration parameters

• Persistence

App Design

• Make your components log to stdout / stderr

• Graceful shutdown

App Monitoring

• Use liveness and readiness probes on your components

• Expose your component's metrics on an endpoint

App Security

• Run with ServiceAccounts

• Restricting network connectivity

• Unprivileged containers

• Read-only filesystem

• Minimal containers

• Scan your images

• Use Secrets with care

App Deployment

• Be declarative

• Managing variants