grunt deploys via grunt-rsync

Gruntfile.js

module.exports = function(grunt) {
  
  // ...
  
  grunt.initConfig({
    
    //...
    
    // Deploy settings (task config, put inside grunt.initConfig)
    rsync: {
      options: {
        src: "dist/",
        args: [ "--verbose" ],
        ssh: true,
        recursive: true,
        delete: true
      },
      example: {
        options: {
          dest: "user@example.com:/var/www/public_html/"
          port: 30089 // ssh port
        }
      }
    }
  });
  
  // ...
  
  grunt.registerTask('deploy', [
    'build',
    'rsync'
  ]);
};