{
  "openapi": "3.0.3",
  "info": {
    "title": "Path Level server declarations",
    "description": "https://github.com/OAI/OpenAPI-Specification/blob/master/versions/3.0.3.md#serverVariableObject",
    "version": "1.0.0"
  },
  "servers": [
    {
      "url": "https://{name}.example.com:{port}/{basePath}",
      "variables": {
        "name": {
          "default": "demo"
        },
        "port": {
          "default": "443"
        },
        "basePath": {
          "default": "v2"
        }
      }
    },
    {
      "url": "http://{name}.local/{basePath}",
      "variables": {
        "name": {
          "default": "demo"
        },
        "basePath": {
          "default": "v1"
        }
      }
    },
    {
      "url": "https://{name}.readme.io:{port}/{basePath}",
      "variables": {
        "name": {
          "default": "demo"
        },
        "port": {
          "default": "3000",
          "enum": ["3000", "5000"]
        },
        "basePath": {
          "description": "path description",
          "default": "v1"
        }
      }
    }
  ],
  "paths": {
    "/relative-path-server": {
      "servers": [{ "url": "/v2" }],
      "get": {
        "summary": "Relative path-level server",
        "tags": ["Path"],
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/relative-operation-server": {
      "get": {
        "summary": "Relative operation-level server",
        "tags": ["Operation"],
        "servers": [{ "url": "/v3" }],
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/operation-server-variables": {
      "get": {
        "summary": "Operation-level server variables",
        "tags": ["Operation"],
        "servers": [
          {
            "url": "https://operation.example.com/{version}",
            "variables": {
              "version": {
                "default": "v3"
              }
            }
          }
        ],
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/path-item-ref-server": {
      "$ref": "#/paths/~1path-item-server-source"
    },
    "/path-item-server-source": {
      "servers": [{ "url": "https://path-item-ref.example.com" }],
      "get": {
        "summary": "Path item ref server source",
        "tags": ["Path"],
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/empty-operation-servers": {
      "servers": [{ "url": "https://empty-operation-path.example.com" }],
      "get": {
        "summary": "Empty operation-level servers",
        "tags": ["Operation"],
        "servers": [],
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/empty-path-item-servers": {
      "servers": [],
      "get": {
        "summary": "Empty path-level servers",
        "tags": ["Path"],
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    }
  }
}