powerdns:
  image: rancher/external-dns:v0.5.0
  command: "-provider=powerdns"
  expose:
   - 1000
  environment:
    POWERDNS_API_KEY: ${POWERDNS_API_KEY}
    POWERDNS_URL: ${POWERDNS_URL}
    ROOT_DOMAIN: ${ROOT_DOMAIN}
    TTL: ${TTL}
  labels:
    io.rancher.container.pull_image: always
    io.rancher.container.create_agent: "true"
    io.rancher.container.agent.role: "external-dns"