Building Custom Kubernetes Controllers and Operators
Extend Kubernetes with custom controllers and operators to automate management of complex stateful applications beyond built-in workload types.
Posts tagged with #devops
Kubernetes High Availability: HPA, Pod Disruption Budgets, Multi-AZ
Build resilient Kubernetes applications with Horizontal Pod Autoscaler, Pod Disruption Budgets, and multi-availability zone deployments for production workloads.
Multi-Cluster Kubernetes: Federation, Cross-Cluster Networking, Registries
Manage multiple Kubernetes clusters across regions and clouds using federation, cluster registries, and cross-cluster service discovery.
Kubernetes Network Policies: Securing Pod-to-Pod Communication
Implement microsegmentation in Kubernetes using Network Policies to control traffic flow between pods and enforce zero-trust networking.
Kubernetes Resource Limits: CPU, Memory, and Quality of Service
Configure CPU and memory requests and limits to ensure fair scheduling, prevent resource starvation, and achieve predictable performance in Kubernetes clusters.
Kubernetes Services: ClusterIP, NodePort, LoadBalancer, Ingress
Master Kubernetes service types and Ingress controllers to expose your applications inside and outside the cluster with proper load balancing and routing.
Kubernetes Storage: PersistentVolumes, Claims, and StorageClasses
Implement persistent storage in Kubernetes using PersistentVolumes, PersistentVolumeClaims, and StorageClasses for stateful applications across different cloud providers.
Kubernetes Workload Resources: Deployments, StatefulSets, and DaemonSets
Understand Kubernetes workload resources—when to use Deployments for stateless apps, StatefulSets for clustered workloads, and DaemonSets for node-level agents.
Kustomize: Native Kubernetes Configuration Management
Use Kustomize for declarative Kubernetes configuration management without Helm's templating—overlays, patches, and environment-specific customization.
Multi-Cloud Strategy: Portability and Tradeoffs
Design for multi-cloud environments—avoiding vendor lock-in, managing multiple cloud providers, and understanding the real tradeoffs of multi-cloud architectures.