rfc2136dns:
  image: rancher/external-dns:v0.5.0
  expose:
   - 1000
  command:
  - -provider
  - rfc2136
  environment:
    RFC2136_HOST: ${RFC2136_HOST}
    RFC2136_PORT: ${RFC2136_PORT}
    RFC2136_TSIG_KEYNAME: ${RFC2136_TSIG_KEYNAME}
    RFC2136_TSIG_SECRET: ${RFC2136_TSIG_SECRET}
    ROOT_DOMAIN: ${ROOT_DOMAIN}
    TTL: ${TTL}
  labels:
    io.rancher.container.create_agent: "true"
    io.rancher.container.agent.role: "external-dns"