const express = require('express');

const app = express();

const expressSwagger = require('express-swagger-generator')(app);

​

let options = {

    swaggerDefinition: {

        info: {

            description: 'This is a sample server',

            title: 'Swagger',

            version: '1.0.0',

        },

        host: 'localhost:3000',

        basePath: '/v1',

        produces: [

            "application/json",

            "application/xml"

        ],

        schemes: ['http', 'https'],

        securityDefinitions: {

            JWT: {

                type: 'apiKey',

                in: 'header',

                name: 'Authorization',

                description: "",

            }

        }

    },

    basedir: __dirname, //app absolute path

    files: ['./routes/**/*.js'] //Path to the API handle folder

};

expressSwagger(options)

app.listen(3000);

npm i express-swagger-generator --save-dev