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Document health check endpoint (fixes #59)

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R. Miles McCain 2020-07-07 01:27:08 +00:00
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GUIDE.md
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@ -10,6 +10,7 @@
* [Configuring a Reverse Proxy](#configuring-a-reverse-proxy) * [Configuring a Reverse Proxy](#configuring-a-reverse-proxy)
+ [Cloudflare](#cloudflare) + [Cloudflare](#cloudflare)
+ [Nginx](#nginx) + [Nginx](#nginx)
* [Health Checks](#health-checks)
+ [Troubleshooting](#troubleshooting) + [Troubleshooting](#troubleshooting)
--- ---
@ -175,6 +176,12 @@ Nginx is a self hosted, highly configurable webserver. Nginx can be configured t
* [How to add SSL/HTTPS to Nginx (Ubuntu 16.04)](https://www.digitalocean.com/community/tutorials/how-to-secure-nginx-with-let-s-encrypt-on-ubuntu-16-04) * [How to add SSL/HTTPS to Nginx (Ubuntu 16.04)](https://www.digitalocean.com/community/tutorials/how-to-secure-nginx-with-let-s-encrypt-on-ubuntu-16-04)
* [Nginx Documentation](https://nginx.org/en/docs/) * [Nginx Documentation](https://nginx.org/en/docs/)
### Health Checks
By default, Shynet includes a default health check endpoint at `/healthz/`. If the instance is running normally, this endpoint will return an HTTP status code of 200; if something is wrong, it will have a non-200 status code. To view the health data as JSON, send your request to `/healthz/?format=json`.
This feature is helpful when running Shynet with Kubernetes, as it allows you to setup [startup readiness probes](https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/) that prevent traffic from being sent to your Shynet instances before they are ready.
--- ---
## Troubleshooting ## Troubleshooting