Stop 19 · Monitoring & LoggingTopics · 5/9
Health Check Endpoints
Part of the Backend Developer Roadmap
In short
A simple `/health` endpoint that reports whether your service (and its dependencies like the database) is up and working — used by load balancers and orchestrators to know if an instance should receive traffic.
How to learn this
- 1Add a `/health` endpoint that checks database connectivity, not just that the process is running.
- 2Learn the difference between liveness checks (is it running) and readiness checks (is it ready for traffic).
- 3Understand how orchestrators like Kubernetes use these to automatically restart unhealthy instances.
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