title: NPM Start not starting local server
body: <p>I am trying to make an react app using webpack and when I try to run npm start it should load <code>http://localhost:3333</code> but it says site cannot be reached, here is my webpack config:</p>
  
  <pre><code>module.exports = {
      entry: './main.js',
      output: {
          path: '/',
          filename: 'index.js'
      },
      devServer: {
          inline: true,
          port: 3333
      },
      module: {
          loaders: [
              {
                  test: /\.js$/,
                  exclude: /node_modules/,
                  loader: 'babel',
                  query: {
                      presets: ['es2015', 'react']
                  }
              }
          ]
      }
  }
  </code></pre>
  
  <p>And here is my script object from <code>package.json</code>: <code>"start": "webpack-dev-server"</code>. I have already installed webpack &amp; webpack-dev-server globally. Check below image which I am getting:
  <a href="https://i.stack.imgur.com/oMs8V.png" rel="noreferrer"><img src="https://i.stack.imgur.com/oMs8V.png" alt="enter image description here"></a></p>
  
  <p>Edit: My package.json:</p>
  
  <pre><code>{
    "name": "react-app",
    "version": "1.0.0",
    "description": "sample",
    "scripts": {
      "start": "webpack-dev-server"
    },
    "repository": {
      "type": "git",
      "url": "git+https://github.com/dheeraja00/react-app.git"
    },
    "author": "Dheeraj Agrawal",
    "license": "ISC",
    "bugs": {
      "url": "https://github.com/dheeraja00/react-app/issues"
    },
    "homepage": "https://github.comdheeraja00/react-app#readme",
    "dependencies": {
      "material-design-lite": "^1.2.1",
      "react": "^15.3.2"
    },
    "devDependencies": {
      "babel-core": "^6.18.0",
      "babel-loader": "^6.2.5",
      "babel-preset-es2015": "^6.18.0",
      "babel-preset-react": "^6.16.0",
      "css-loader": "^0.25.0",
      "file-loader": "^0.9.0",
      "node-sass": "^3.10.1",
      "raw-loader": "^0.5.1",
      "sass-loader": "^4.0.2",
      "style-loader": "^0.13.1",
      "webpack": "^1.13.2",
      "webpack-dev-server": "^1.16.2"
    }
  }
  </code></pre>