Kubernetes

API Health Checks

Summary

Probe Type	Purpose
Liveness	Checks if the app is alive and should be restarted if unresponsive.
Readiness	Checks if the app is ready to receive traffic from the service.

HealthChecks

Example

Dockerfile

HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
  CMD curl --fail http://localhost:5000/health/live || exit 1

Kubernetes

livenessProbe:
  httpGet:
    path: /health/live
    port: 5000
  initialDelaySeconds: 10
  periodSeconds: 15

readinessProbe:
  httpGet:
    path: /health/ready
    port: 5000
  initialDelaySeconds: 5
  periodSeconds: 10