{
  "$id": "https://example.com/arrays.schema.json",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "description": "Just a test",
  "type": "object",
  "properties": {
    "contexts": {
      "type": "array",
      "items": { "$ref": "https://json.schemastore.org/bamboo-spec#/properties/docker" }
    }
  }
}