Configure a CronJob

Schedule batch tasks to run automatically at specified times using Cron expressions. Ideal for recurring reports, cleanup jobs, and periodic processing.

Prerequisites

• Target Namespace exists.
• Understand Cron expression format (e.g. 0 2 * * * = every day at 2:00 AM).

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Step 1. Open the Create form

1. In the left menu, select Workloads → CronJobs.
2. Click Create CronJob in the top-right corner.
3. Select Create as form from the dropdown.

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Step 2. Configure the CronJob

Field	Description	Example
Name	CronJob name	daily-report
Namespace	Target Namespace	default
Schedule	Cron expression (UTC)	0 2 * * *
Concurrency Policy	Behavior when a previous Job is still running	Forbid
Successful Job History	Number of successful Jobs to keep	3
Failed Job History	Number of failed Jobs to keep	1

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Cron expression reference

┌───────────── minute (0 - 59)
│ ┌───────────── hour (0 - 23)
│ │ ┌───────────── day of month (1 - 31)
│ │ │ ┌───────────── month (1 - 12)
│ │ │ │ ┌───────────── day of week (0 - 6, Sun=0)
│ │ │ │ │
* * * * *

Expression	Meaning
0 2 * * *	Every day at 2:00 AM (UTC)
0 9 * * 1-5	Mon–Fri at 9:00 AM
*/30 * * * *	Every 30 minutes
0 0 1 * *	First day of each month at midnight

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Step 3. Configure the Container

Field	Description	Example
Image	Container image to run	python:3.11
Command	Container entrypoint	python
Args	Execution arguments	-c, "print('report done')"

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Step 4. Create and verify

Click Create.

In the CronJobs list, the Active column updates according to the schedule.

Column	Description
Active	Number of currently running Jobs
Last schedule time	Time the most recent Job was started

INFO

After creation, the CronJob waits until the next scheduled time. To test immediately, you can trigger a Job manually by editing the CronJob YAML and setting startingDeadlineSeconds: 0.

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Next steps

• View Pod logs →
• Run a one-off Job →