Swagger spec for https://github.com/go-openapi/spec/issues/3

issue3.json

{
  "swagger": "2.0",
  "info": {
    "title": "Swagger Sample",
    "description": "Sample API Playground.",
    "version": "1.0.0"
  },
  "basePath": "/v1",
  "schemes": [
    "http"
  ],
  "consumes": [
    "application/vdn.sample.v1+json"
  ],
  "produces": [
    "application/vdn.sample.v1+json"
  ],
  "paths": {
    "/books": {
      "get": {
        "summary": "List all books",
        "operationId": "listBooks",
        "tags": [
          "books"
        ],
        "responses": {
          "200": {
            "headers": {
              "Link": {
                "type": "string"
              }
            },
            "description": "An array of books",
            "schema": {
              "type": "array",
              "items": {
                "$ref": "#/definitions/Book"
              }
            }
          },
          "default": {
            "description": "generic error response",
            "schema": {
              "$ref": "#/definitions/Error"
            }
          }
        }
      }
    }
  },
  "definitions": {
    "Store": {
      "type": "object",
      "properties": {
        "title": {
          "type": "string",
          "example": "Book Shop"
        },
        "categories": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/Category"
          }
        }
      }
    },
    "Category": {
      "type": "object",
      "properties": {
        "title": {
          "type": "string",
          "example": "Drama"
        },
        "books": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/Book"
          }
        }
      }
    },
    "Book": {
      "type": "object",
      "required": [
        "title",
        "summary"
      ],
      "properties": {
        "title": {
          "type": "string",
          "example": "Winnie the Pooh"
        },
        "summary": {
          "type": "string",
          "example": "Famous children's book"
        },
        "related_books": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/Book"
          }
        }
      }
    },
    "Error": {
      "type": "object",
      "readOnly": true,
      "properties": {
        "code": {
          "type": "integer",
          "format": "int64",
          "example": 400
        },
        "message": {
          "type": "string",
          "example": "Unexpected error"
        }
      },
      "required": [
        "message"
      ]
    }
  }
}