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.
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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