helm-external-secrets/docs/snippets/generator-ecr-example.yaml

apiVersion: external-secrets.io/v1
kind: ExternalSecret
metadata:
  name: "ecr-secret"
spec:
  refreshInterval: "1h"
  target:
    name: ecr-secret
    template:
      type: kubernetes.io/dockerconfigjson
      metadata:
        annotations:
          expiresAt: "{{ .expires_at }}"
      data:
        .dockerconfigjson: |
          {
            "auths": {
              "{{ .proxy_endpoint | replace "https://" "" }}": {
                "username": "{{ .username }}",
                "password": "{{ .password }}",
                "auth": "{{ printf "%s:%s" .username .password | b64enc }}"
              }
            }
          }
  dataFrom:
    - sourceRef:
        generatorRef:
          apiVersion: generators.external-secrets.io/v1alpha1
          kind: ECRAuthorizationToken
          name: "ecr-gen"