If the application malfunctions, the pod and container may still be running but the application may no longer be running. This is where health checks come in.
Two types of health checks
- Running a command in the container periodically
- Periodic checks on a URL
The typical prod application behind a load balancer should always have health checks implemented in some way to ensure availability and resiliency.
Below you can see where the healthcheck is. You can check the port or container port name.
More explicit information can be found here.
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