K8s CronJob Generator

Interactive builder for Kubernetes CronJob YAML manifests.

🏷️ Metadata

Name

Namespace

⏰ Schedule

Cron ExpressionMin, Hour, Day of Month, Month, Day of Week

⚙️ Job Behavior

Concurrency Policy

Success Hist.

Failed Hist.

Starting Deadline (s)

🐳 Container Spec

Docker Image

Command (JSON array)

Args (JSON array)

Restart Policy

cronjob.yaml

apiVersion: batch/v1
kind: CronJob
metadata:
  name: my-cronjob
  namespace: default
spec:
  schedule: "0 0 * * *"
  concurrencyPolicy: Allow
  successfulJobsHistoryLimit: 3
  failedJobsHistoryLimit: 1
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: my-cronjob-container
            image: busybox:1.36
            command: ["/bin/sh", "-c"]
            args: ["date; echo Hello from the Kubernetes cluster"]
          restartPolicy: OnFailure

apiVersion: batch/v1
kind: CronJob
metadata:
  name: my-cronjob
  namespace: default
spec:
  schedule: "0 0 * * *"
  concurrencyPolicy: Allow
  successfulJobsHistoryLimit: 3
  failedJobsHistoryLimit: 1
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: my-cronjob-container
            image: busybox:1.36
            command: ["/bin/sh", "-c"]
            args: ["date; echo Hello from the Kubernetes cluster"]
          restartPolicy: OnFailure

How the K8s CronJob Generator Works

Kubernetes CronJobs allow you to run jobs on a time-based schedule (just like Linux cron). However, writing the nested YAML for CronJob > JobTemplate > PodTemplate > Container can be tedious and prone to indentation errors.

This tool provides a simple UI to configure the schedule, concurrency rules, and container specs, instantly generating syntactically valid Kubernetes YAML ready to be applied via kubectl.