Regex¶

The regex rule allows you to define a rule that will be executed when the image is updated with a new version that matches a regular expression. Regex is compatible with Golang Regex format. Use the great regex101.com website to test your regular expression.

Who to use¶

Create an Image resource with the regex rule.

apiVersion: kimup.cloudavenue.io/v1alpha1
kind: Image
metadata:
  labels:
    app.kubernetes.io/name: kube-image-updater
    app.kubernetes.io/managed-by: kustomize
  name: image-sample-with-auth
spec:
  image: registry.127.0.0.1.nip.io/demo
  baseTag: v0.0.4
  triggers:
    - [...]
  rules:
    - name: Automatic apply on dev version
      type: regex
      # Match v1.2.3-dev1 version
      value: "^v?[0-9].[0-9].[0-9]-dev[0-9]$" # (1)
      actions:
        - type: apply

For more information about this regular expression, you can check the regex101.com/r/prt9tw/1.