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LABINTERMEDIATE

ConfigMaps, Secrets & StatefulSets Lab

Master Kubernetes configuration management with ConfigMaps and Secrets, deploy PostgreSQL as a StatefulSet with persistent storage, and understand stateful vs stateless workloads.

100 minutes
ConfigMaps, Secrets & StatefulSets Lab - Platform Engineering Hands-On Lab Icon

Lab Overview

Learn Kubernetes configuration management by externalizing TaskFlow backend settings into ConfigMaps and storing credentials in Secrets. Deploy PostgreSQL as a StatefulSet with PersistentVolumeClaim to ensure data survives pod restarts, and deploy Redis as a stateless Deployment for comparison.

You'll understand the 12-factor app configuration principles, configure environment variable injection, test data persistence across pod restarts, and practice production-ready configuration patterns for cloud-native applications.

What You'll Learn

Create Kubernetes ConfigMaps and Secrets to externalize application configuration from container images

Deploy PostgreSQL as a StatefulSet with PersistentVolumeClaim and verify data survives pod restarts

Inject ConfigMaps and Secrets into a Deployment as environment variables and volume mounts

Distinguish between stateful and stateless workloads and choose the appropriate Kubernetes controller

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