s3-backup-cronjob.yaml

apiVersion: batch/v1beta1
kind: CronJob
metadata:
  name: backup-cronjob
spec:
  schedule: "0 */6 * * *"
  concurrencyPolicy: Forbid
  successfulJobsHistoryLimit: 2
  failedJobsHistoryLimit: 1
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: s3databackup
            image: d3fk/s3cmd:latest
            args:
            - sync
            - --ssl
            - --server-side-encryption
            - --server-side-encryption-kms-id= ${YOUR_KMS_KEY_ID}
            - --recursive
            - --no-check-md5
            -  /tmp/DATA/
            - s3://${YOUR_BUCKET_NAME}/DATA/
            volumeMounts:
            - name: data
              mountPath: /tmp/DATA
            - name: s3config
              mountPath: /root/.s3cfg
              subPath: .s3cfg

          volumes:
          - name: s3config
            configMap:
              name: s3config
          - name: data
            nfs:
              server: ${NFS_SERVER}
              path: /${SHARED-FOLDER}/


          restartPolicy: Never