Bower/Grunt example

.bowerrc

{
  "analytics": false,
  "directory": "vendor/bower_components",
  "interactive": false
}

bower.json

{
  "name": "project-name",
  "private": true,
  "dependencies": {
    "html5shiv": "~3.7.3",
    "jquery": "~2.1.4",
    "bootstrap": "~3.3.5"
  }
}

Gruntfile.js

module.exports = function (grunt) {

  grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
    cssmin: {
      dist: {
        files: {
          'public/css/application.min.css': ['public/css/application.css']
        },
        options: {
          keepSpecialComments: false
        }
      }
    },
    less: {
      dist: {
        files: {
          'public/css/application.css': 'resources/assets/less/application.less'
        },
        options: {
          cleancss: true,
          paths: [
            'vendor/bower_components/bootstrap/less/'
          ]
        }
      }
    },
    uglify: {
      dist: {
        files: {
          'public/js/application.min.js': ['public/js/application.js']
        }
      }
    },
    watch: {
      configFiles: {
        files: ['Gruntfile.js'],
        options: {
          reload: true
        }
      },
      less: {
        files: ['resources/assets/less/*.less'],
        tasks: ['less', 'cssmin']
      }
    }
  });

  grunt.loadNpmTasks('grunt-contrib-cssmin');
  grunt.loadNpmTasks('grunt-contrib-less');
  grunt.loadNpmTasks('grunt-contrib-uglify');
  grunt.loadNpmTasks('grunt-contrib-watch');

  grunt.registerTask('default', ['watch']);
  grunt.registerTask('dist', ['less', 'cssmin', 'uglify']);

};

package.json

{
  "name": "project-name",
  "private": true,
  "dependencies": {
    "bower": "^1.4.1",
    "grunt": "^0.4.5",
    "grunt-contrib-cssmin": "^0.13.0",
    "grunt-contrib-less": "^1.0.1",
    "grunt-contrib-uglify": "^0.9.1",
    "grunt-contrib-watch": "^0.6.1"
  }
}