Health Checks & Kubernetes Probes

12 Steps

Guided startupProbe, readinessProbe, livenessProbe, EndpointSlice Drain, Container Restart & CrashLoopBackOff

Step 1 of 12

Node Agent & Ingress LB

Startup Gate, Endpoints & CRI

Readiness Gate & Pod Replicas

Liveness, Dependencies & BackOff

Step 1 of 12 K8s Probe Lifecycle

1. Pod Starts but Is Not Ready

Why This Mechanism Matters Kubernetes separates container process existence from traffic readiness so Services never route live requests to half-initialized code.

Component Inspector

Node Agent

Kubelet

State: ACTIVE (10s-loop)

Runtime Config Controls

in:1 out:2 · 4ms

What this component is doing now

Inbound & Outbound Ports

IN: PodSpec Probe Config
OUT: HTTP/Exec Probe Calls