const SftpWebpackPlugin = require('sftp-webpack-plugin');

var config = {
   plugins: [new SftpWebpackPlugin({
    port: 'your port',//Server port
    host: 'your host',//Server address
    username: 'your username',//Username
    password: 'your password',//Password
    from: 'you neeed upload file path ',//Your local path
    to: 'you want to destination'//Path on server
  })]
}

var WebpackSftpClient = require('webpack-sftp-client');

var config = {
   plugins: [new WebpackSftpClient({
    port: '22',//Server port
    host: 'exmaple.com',//Server address
    username: 'root',//Username
    password: 'password',//Login password
    path: './build/', //Local path
    remotePath: '/data/website/demo/', //Server path
    verbose: true //Console show detailed information
})]
}