VictoriaMetrics/docs/operator/managing-versions.MD

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Managing application versions

VMAlert, VMAgent, VMAlertmanager, VMSingle version

for those objects you can specify following settings at spec.Image

for instance, to set VMSingle version add spec.image.tag name from releases

cat <<EOF | kubectl apply -f  -
apiVersion: operator.victoriametrics.com/v1beta1
kind: VMSingle
metadata:
  name: example-vmsingle
spec:
  image:
    repository: victoriametrics/victoria-metrics
    tag: v1.39.2
    pullPolicy: Always
  retentionPeriod: "1"
EOF

Also, you can specify imagePullSecrets if you are pulling images from private repo:

cat <<EOF | kubectl apply -f  -
apiVersion: operator.victoriametrics.com/v1beta1
kind: VMSingle
metadata:
  name: example-vmsingle
spec:
  imagePullSecrets:
  - name: my-repo-secret
  image:
    repository: my-repo-url/victoria-metrics
    tag: v1.39.2
  retentionPeriod: "1"
EOF

VMCluster

for VMCluster you can specify tag and repository setting per cluster object. But imagePullSecrets is global setting for all VMCluster specification.

cat << EOF | kubectl apply -f -
apiVersion: operator.victoriametrics.com/v1beta1
kind: VMCluster
metadata:
  name: example-vmcluster
spec:
  imagePullSecrets:
  - name: my-repo-secret
  # Add fields here
  retentionPeriod: "1"
  vmstorage:
      replicaCount: 2
      image:
        repository: victoriametrics/vmstorage
        tag: v1.39.2-cluster
        pullPolicy: Always
  vmselect:
      replicaCount: 2
      image:
        repository: victoriametrics/vmselect
        tag: v1.39.2-cluster
        pullPolicy: Always
  vminsert:
      replicaCount: 2
      image:
        repository: victoriametrics/vminsert
        tag: v1.39.2-cluster
        pullPolicy: Always
EOF