ddns-k8s-deployment.yml

# Kubernetes deployment file for Google DDNS Updater
# Creates secrets which are accessed as environment variables
# within a pod, launched (hourly) as a Kubernetes CronJob

# Secrets:
apiVersion: v1
kind: Secret
metadata:
  name: googddnssecret
type: Opaque
stringData:
  hostname: CHANGEME
  username: CHANGEME
  password: CHANGEME
---
# CronJob Definition:
apiVersion: batch/v1beta1
kind: CronJob
metadata:
  name: google-ddns-updater
spec:
  schedule: "@hourly"
  jobTemplate:
    spec:
      template:
        spec:
          containers:
          - name: google-ddns-updater
            image: ghcr.io/clayshek/google-ddns-updater
            env:
              - name: GOOG_DDNS_HOSTNAME
                valueFrom:
                  secretKeyRef:
                    name: googddnssecret
                    key: hostname
              - name: GOOG_DDNS_USERNAME
                valueFrom:
                  secretKeyRef:
                    name: googddnssecret
                    key: username
              - name: GOOG_DDNS_PASSWORD
                valueFrom:
                  secretKeyRef:
                    name: googddnssecret
                    key: password
          restartPolicy: OnFailure