Kubernetes ConfigMaps

Using ConfigMaps in Pods

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LearnStep 1 of 2

Consuming ConfigMaps

Learning Objectives

•Mount as volumes
•Use as environment variables
•Understand updates

Lesson Outline

LearnStep 1/2

Consuming ConfigMaps

Using ConfigMaps in Pods

As Environment Variables

yaml

All Keys as Environment Variables

yaml

As Volume Mount

yaml

Mount Specific Keys

yaml

SubPath for Single File

yaml

ConfigMap Updates

Volume-mounted ConfigMaps update automatically (with delay)
Environment variables do NOT update (requires pod restart)
Use immutable ConfigMaps for versioned configs