Launching your first Job

Now, let’s discover another Kubernetes resource that is derived from Pods: the Job resource. In Kubernetes, a computing resource is a Pod, and everything else is just an intermediate resource that manipulates Pods.

This is the case for the Job object, which is an object that will create one or multiple Pods to complete a specific computing task, such as running a Linux command.

What are Jobs?

A Job is another kind of resource that’s exposed by the Kubernetes API. In the end, a job will create one or multiple Pods to execute a command defined by you. That’s how jobs work: they launch Pods. You have to understand the relationship between the two: jobs are not independent of Pods, and they would be useless without Pods. In the end, the two things they are capable of are launching Pods and managing them. Jobs are meant to handle a certain task and then exit. Here are some examples of typical use cases for a Kubernetes Job:

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