Kubernetes Probes

Liveness, Readiness, Startup Probes

containers:
  - name: myapp
    image: myapp:1.0

    # Restart pod if this fails
    livenessProbe:
      httpGet:
        path: /health
        port: 3000
      initialDelaySeconds: 10
      periodSeconds: 30
      failureThreshold: 3

    # Remove from load balancer if this fails
    readinessProbe:
      httpGet:
        path: /ready
        port: 3000
      initialDelaySeconds: 5
      periodSeconds: 10

    # Give slow-starting containers extra time
    startupProbe:
      httpGet:
        path: /health
        port: 3000
      failureThreshold: 30  # 30 * 10s = 5 minutes max
      periodSeconds: 10