• Concatenation
  
• Minification
  
• Pre-processing Sass and Coffeescript
  
• Image Optimization
  
• Running Tests
  
• Seeding the database
  
• Starting a development Server
  

 npm -g install grunt-cli

 npm install grunt --save-dev

// package.json
{
  "name": "example-project",
  "version": "0.0.1",
  "devDependencies": {
    "grunt": "~0.4.4"
  }
} 

 
    module.exports = function(grunt) {
      grunt.initConfig({
	simplemocha: {
	  options: { timeout: 3000 },
	    all: { src: ['test/**/*.js'] }
		 }
      });

      grunt.loadNpmTasks('grunt-simple-mocha');
    
      grunt.registerTask('default','simplemocha');
    };
    

    module.exports = function(grunt) {
      grunt.initConfig({
		//specify configuration for different tasks
		//see documentation for expected values
      });

      //task plugins to be loaded
      grunt.loadNpmTasks(‘package-name’);
	
      //indicate lists of tasks that can be run from 
      //command line
      grunt.registerTask(‘default’,'task-name');
    };
    

npm install grunt-contrib-jshint --save-dev 

module.exports = function(grunt) {
  
  grunt.loadNpmTasks('grunt-contrib-jshint');
  
  grunt.initConfig({
    jshint: {
      all: ['Gruntfile.js', 'server.js']
    }
    
  });

  grunt.registerTask('default','jshint');
}