swagger.js

const swaggerOptions = {
    swaggerDefinition: {
        info: {
            title: "Documenting REST API's",
            description: "This is an implementation of how to document your RESTful API's using SWAGGER",
            servers: ['http://localhost:3000']
        },
        "components": {
            "schemas": {
              "fruits": {
                "properties": {
                  "name": {
                    "type": "string"
                  }
                }
              }
            }
          }
    },
    apis: ['./routes/api/fruits.js']
}

const swaggerDocs = swaggerJsonDoc(swaggerOptions)
app.use('/api-docs', swaggerUI.serve, swaggerUI.setup(swaggerDocs))