title: Node.js application fails to deploy to Heroku
body: <p>I trying to deploy application to Heroku. Application successfully deploys only after changing engine versions. If i try to deploy without modify "engines" section, deploy fails with this errors:</p>
  
  <pre><code>remote:        ERROR in ./resources/assets/sass/app.scss
  remote:        Module build failed: ModuleBuildError: Module build failed: Error: ENOENT: no such file or directory, scandir '/tmp/build_7b88e5ab3110a2273bdb09b2d4f7c673/node_modules/node-sass/vendor'
  </code></pre>
  
  <p>This is my package.json</p>
  
  <pre><code>{
    "private": true,
    "name": "instagram",
    "description": "&lt;p align=\"center\"&gt;&lt;img src=\"https://laravel.com/assets/img/components/logo-laravel.svg\"&gt;&lt;/p&gt;",
    "version": "1.0.0",
    "main": "webpack.config.js",
    "directories": {
      "test": "tests"
    },
    "engines" : {
      "npm" : "5.0.4",
      "node": "7.4.0",
      "yarn": "0.24.6"
    },
    "author": "",
    "license": "ISC",
    "dependencies": {
      "bootstrap": "^3.3.7",
      "bootstrap-notify": "^3.1.3",
      "bootstrap-sass": "^3.3.7",
      "bootstrap-switch": "^3.3.4",
      "css-loader": "^0.28.4",
      "cssnano": "^3.10.0",
      "extract-text-webpack-plugin": "^2.1.2",
      "file-loader": "^0.11.2",
      "font-awesome": "^4.7.0",
      "jquery": "^3.2.1",
      "knockout": "^3.4.2",
      "node-sass": "^4.5.3",
      "nprogress": "^0.2.0",
      "optimize-css-assets-webpack-plugin": "^2.0.0",
      "sass-loader": "^6.0.6",
      "select2": "^4.0.3",
      "uglifyjs-webpack-plugin": "^0.4.6",
      "url-loader": "^0.5.9",
      "webpack": "^2.2.0",
      "webpack-cleanup-plugin": "^0.5.1"
    },
    "scripts": {
      "dev": "npm run development",
      "development": "cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
      "watch": "cross-env NODE_ENV=development node_modules/webpack/bin/webpack.js --watch --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js",
      "watch-poll": "npm run watch -- --watch-poll",
      "hot": "cross-env NODE_ENV=development node_modules/webpack-dev-server/bin/webpack-dev-server.js --inline --hot --config=node_modules/laravel-mix/setup/webpack.config.js",
      "prod": "npm run production",
      "production": "cross-env NODE_ENV=production node_modules/webpack/bin/webpack.js --progress --hide-modules --config=node_modules/laravel-mix/setup/webpack.config.js"
    }
  }
  </code></pre>
  
  <p>Maybe you have any solution except changing engines version?</p>