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DevOps & Automation · Foundational

Health Check Endpoint

An HTTP endpoint such as /healthz or /ready that reports whether a service is alive and able to serve requests.

Definition

Load balancers, orchestrators, and monitoring use health endpoints. Liveness checks should be lightweight; readiness checks may verify dependencies. They should not expose sensitive details.

Example

GET /healthz returns 200 OK when the process is running.

Exam tip

Separate liveness from readiness so dependency outages do not trigger needless restarts.

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