Current Grunt file for site resdesign

Gruntfile.js

module.exports = function(grunt) {

  'use strict';

  // Project configuration.
  grunt.initConfig({
    pkg: grunt.file.readJSON('package.json'),
    sass: {
      dist: {
        options: {
          style: 'expanded', /**human readable */
          sourcemap: 'none',
        },
        files: {
          'css/style.css': 'sass/style.scss'
        }
      }
    },
    csslint: {
        strict: {
            src: ['css/style.css']
        },
        lax: {
            options: {
                csslintrc: '.csslintrc' //just check for css errors that would stop code
            },
            src: ['css/style.css']
        }
    },
    concat: {
      css: {
          src: ['node_modules/normalize.css/normalize.css', 'css/style.css'],
          dest: 'css/style.css'
      }
    },
    postcss: {
      options: {
        processors: [
          require('pixrem')(),
          require('autoprefixer')({browsers: 'last 2 versions'})
        ]
      },
      dist: {
        src: 'css/style.css',
        dest: 'css/style.css'
      }

    },
    cssmin : {
        css:{
            src: 'css/style.css',
            dest: 'css/style.min.css'
        }
    },  
    uglify: {
      options: {
        banner: '/*\n <%= pkg.name %> <%= grunt.template.today("yyyy-mm-dd") %> \n*/\n'
      },
      build: {
        files: {
          'js/scripts.min.js': ['js/*.js', '!js/*.min.js']
        }
      }
    },
    jshint: {
      files: ['Gruntfile.js', 'js/*.js', '!js/*.min.js'],
      options: {
        jshintrc: '.jshintrc',
        ignores: '.jshintignore'
      },
    },
    htmlmin: {                                     // Task
      dist: {                                      // Target
        options: {                                 // Target options
          removeComments: true,
          collapseWhitespace: true
        },
        files: [
          {
            expand: true,     // Enable dynamic expansion.
            cwd: 'src/',      // Src matches are relative to this path.
            src: ['**/*.html'], // Actual pattern(s) to match.
            dest: 'dist/',   // Destination path prefix.
          },
        ],
      }
    },

    imagemin: {
        png: {
          options: {
            optimizationLevel: 7
          },
          files: [
            {
              expand: true,
              cwd: 'img/',
              src: ['**/*.png'],
              dest: 'img/compressed/',
              ext: '.png'
            }
          ]
        },
        jpg: {
          options: {
            progressive: true
          },
          files: [
            {
              expand: true,
              cwd: 'img/',
              src: ['**/*.jpg'],
              dest: 'img/compressed/',
              ext: '.jpg'
            }
          ]
        }
      },
    responsive_images: {
      myTask: {
        options: {
          sizes: [{
              name: 'header-320',
              width: 320
            },
            {
              name: 'header-640',
              width: 640
            },
            {
              name: 'header-768',
              width: 768
            },
            {
              name: 'header-1024',
              width: 1024
            },
            {
              name: 'header-1366',
              width: 1366
            },
            {
              name: 'header-1920',
              width: 1920
            },
            {
              name: "header-2560",
              width: 2560
          }]
        },
        files: [{
          expand: true,
          cwd: 'img/',
          src: ['**.{jpg,gif,png}'],
          dest: 'img/resize'
        }]
      }
  },
  clean: {
    build: {
      src: [ 'build' ]
    },
    stylesheets: {
      src: [ 'build/**/*.css', '!build/application.css' ]
    },
    scripts: {
      src: [ 'build/**/*.js', '!build/application.js' ]
    },
    images:{
      src: [ 'img/compressed/**/', 'img/resize/**/']
    }
  },
  watch: {
    gruntfile: {
      files: 'Gruntfile.js',
      tasks: ['jshint'],
    },
    css: {
      files: ['sass/*.scss'],
      tasks: ['sass', 'csslint:lax', 'postcss', 'concat:css']
    },
    js: {
      files: ['js/*.js','!js/*.min.js'],
      tasks: ['jshint'/*,'concat:js','uglify'*/]
    }
  },
  copy: {
      build: {
        cwd: 'source',
        src: [ '**' ],
        dest: 'build',
        expand: true
      },
    }

  }); //end grunt config

  grunt.loadNpmTasks('grunt-contrib-sass');
  grunt.loadNpmTasks('grunt-postcss');
  grunt.loadNpmTasks('grunt-contrib-uglify');
  grunt.loadNpmTasks('grunt-contrib-concat');
  grunt.loadNpmTasks('grunt-contrib-htmlmin');
  grunt.loadNpmTasks('grunt-contrib-jshint');
  grunt.loadNpmTasks('grunt-contrib-csslint');
  grunt.loadNpmTasks('grunt-contrib-cssmin');
  grunt.loadNpmTasks('grunt-contrib-imagemin');
  grunt.loadNpmTasks('grunt-responsive-images');
  grunt.loadNpmTasks('grunt-contrib-watch');
  grunt.loadNpmTasks('grunt-contrib-clean');
  grunt.loadNpmTasks('grunt-contrib-copy');

  grunt.registerTask('images', ['clean:images', 'responsive_images','imagemin']);
  grunt.registerTask('css', ['sass', 'csslint:lax', 'postcss','concat:css']);
  grunt.registerTask('jscript', ['jshint']);
  grunt.registerTask('dev', ['jscript', 'css','watch']);
  grunt.registerTask('build', ['clean', 'copy']);

  //grunt.registerTask('imagemin', ['imagemin']);

  //grunt.registerTask('default', ['jshint','sass', 'csslint:lax','concat:css' ,'postcss', 'cssmin',/*'concat:js','uglify','watch']);

};

package.json

{
  "name": "redesign",
  "version": "1.0.0",
  "description": "Website redesign for my Portfolio site",
  "main": "index.html",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "keywords": [
    "flex",
    "portfolio"
  ],
  "author": "Jennifer Tesolin",
  "devDependencies": {
    "autoprefixer": "^7.1.1",
    "grunt": "^1.0.1",
    "grunt-contrib-clean": "^1.1.0",
    "grunt-contrib-concat": "^1.0.1",
    "grunt-contrib-copy": "^1.0.0",
    "grunt-contrib-csslint": "^2.0.0",
    "grunt-contrib-cssmin": "^2.2.0",
    "grunt-contrib-htmlmin": "^2.4.0",
    "grunt-contrib-imagemin": "^1.0.1",
    "grunt-contrib-jshint": "^1.1.0",
    "grunt-contrib-sass": "^1.0.0",
    "grunt-contrib-uglify": "^3.0.0",
    "grunt-contrib-watch": "^1.0.0",
    "grunt-postcss": "^0.8.0",
    "grunt-responsive-images": "^1.10.1",
    "normalize.css": "^7.0.0",
    "pixrem": "^3.0.2"
  }
}

This is my current gruntfile for a site redesign, though not 100% finished. The site redesign start started being coded, so the builds and other production information is final.