Error callback

gistfile1.txt

{
  "request": {
    "json": true,
    "body": {
      "state": "success",
      "description": "aaaaaa\n",
      "context": "Continuous delivery by dockerhub-webhook",
      "target_url": "https:\/\/ci.openmrs.org"
    },
    "method": "post",
    "uri": "https:\/\/registry.hub.docker.com\/u\/openmrs\/openmrs-reference-application-distro\/hook\/2f3aai2g2ad2h4gjgdee01jgci03de311\/"
  },
  "response": {
    "statusCode": 400,
    "body": "Update not allowed",
    "headers": {
      "server": "nginx\/1.6.2",
      "date": "Sun, 29 Jan 2017 11:24:25 GMT",
      "content-type": "application\/json",
      "transfer-encoding": "chunked",
      "connection": "close",
      "x-frame-options": "SAMEORIGIN",
      "strict-transport-security": "max-age=31536000"
    },
    "request": {
      "uri": {
        "protocol": "https:",
        "slashes": true,
        "auth": null,
        "host": "registry.hub.docker.com",
        "port": 443,
        "hostname": "registry.hub.docker.com",
        "hash": null,
        "search": null,
        "query": null,
        "pathname": "\/u\/openmrs\/openmrs-reference-application-distro\/hook\/2f3aai2g2ad2h4gjgdee01jgci03de311\/",
        "path": "\/u\/openmrs\/openmrs-reference-application-distro\/hook\/2f3aai2g2ad2h4gjgdee01jgci03de311\/",
        "href": "https:\/\/registry.hub.docker.com\/u\/openmrs\/openmrs-reference-application-distro\/hook\/2f3aai2g2ad2h4gjgdee01jgci03de311\/"
      },
      "method": "post",
      "headers": {
        "accept": "application\/json",
        "content-type": "application\/json",
        "content-length": 135
      }
    }
  },
  "text": "Callback sent to https:\/\/registry.hub.docker.com\/u\/openmrs\/openmrs-reference-application-distro\/hook\/2f3aai2g2ad2h4gjgdee01jgci03de311\/"
}