{
  "$schema": "http://json-schema.org/draft-04/schema#",

  "type": "object",
  "required": ["name", "version", "architecture"],
  "properties": {
    "name": {
      "type": ["string", "null"],
      "minLength": 1
    },
    "version": {
      "type": ["string", "null"],
      "minLength": 1
    },
    "architecture": {
      "type": ["string", "null"],
      "minLength": 1
    }
  }
}