{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "type": "object",
  "additionalProperties": true,
  "properties": {
    "deployment": {
      "type": "object",
      "additionalProperties": true,
      "required": ["environment", "created_at"],
      "properties": {
        "environment": {"type": "string"},
        "created_at": {"type": "string", "format": "date-time"}
      }
    }
  }
}