Key terms and common mistakes

The words you will hear in Kubernetes work and the mistakes that most often cost interns approvals.

Key terms

TermMeaning
KubernetesContainer orchestration platform
API serverFront door to the cluster
PodSmallest deployable unit
ServiceStable endpoint for pods
ConfigMapNon-secret configuration
VolumeStorage attached to a pod
RequestsGuaranteed resources for scheduling
Liveness probeRestarts unhealthy containers

Common mistakes to avoid

  • Running containers without resource requests and limits.
  • Using the latest image tag in production.
  • Putting real secrets in Git as plain YAML.
  • Skipping readiness probes, so traffic reaches pods that are not ready.
  • Leaving cloud clusters running after practice.

Want to go deeper? The free Kubernetes learning path has short modules, games and a certificate for each module.

โ† Submitting tasks and earning your certificateApply for the Kubernetes internship โ†’