Config secrets resources

CKAD v1.35 · Application Environment, Configuration and Security (25% — the largest CKAD domain) → "Understand ConfigMaps" / "Create & consume Secrets" → "Understand requests, limits, quotas" / "Define resource requirements" Target time: 12 minutes

In namespace apps:

1. Create a ConfigMap app-config with: LOG_LEVEL=debug FEATURE_FLAGS=beta,canary

2. Create a Secret db-creds (type Opaque) with: username=appuser password=hunter2

3. Create a Deployment api (1 replica, image nginx:1.27-alpine) that:

   • exposes ALL keys of app-config as environment variables
   • mounts db-creds as a read-only volume at /etc/db
   • sets requests cpu=100m memory=64Mi
   • sets limits cpu=200m memory=128Mi

4. Create a ResourceQuota apps-quota in apps capping the namespace at cpu=1, memory=1Gi, pods=5.

The Deployment must reach 1/1 ready.