my ember app which i have not showing server side code on deployment

The Ember app https://thesmilestylist.ca doesn't show server side code view-source: https://thesmilestylist.ca/

This is my package.json:

{
  "name": "tsse",
  "version": "0.0.0",
  "private": true,
  "description": "Small description for tsse goes here",
  "license": "MIT",
  "author": "",
  "directories": {
    "doc": "doc",
    "test": "tests"
  },
  "repository": "",
  "scripts": {
    "build": "ember build",
    "lint:js": "eslint ./*.js app config lib server tests",
    "start": "ember serve",
    "test": "ember test",
    "push": "ember build --environment development && git add . && git commit -m \":art:\" && git push "
  },
  "devDependencies": {
    "broccoli-asset-rev": "^2.4.5",
    "ember-ajax": "^3.0.0",
    "ember-cli": "~3.1.1",
    "ember-cli-app-version": "^3.0.0",
    "ember-cli-babel": "^6.6.0",
    "ember-cli-dependency-checker": "^2.0.0",
    "ember-cli-eslint": "^4.2.1",
    "ember-cli-fastboot": "^1.1.4-beta.1",
    "ember-cli-htmlbars": "^2.0.1",
    "ember-cli-htmlbars-inline-precompile": "^1.0.0",
    "ember-cli-inject-live-reload": "^1.4.1",
    "ember-cli-qunit": "^4.1.1",
    "ember-cli-sass": "^7.1.7",
    "ember-cli-shims": "^1.2.0",
    "ember-cli-sri": "^2.1.0",
    "ember-data": "~3.1.0",
    "ember-export-application-global": "^2.0.0",
    "ember-load-initializers": "^1.0.0",
    "ember-maybe-import-regenerator": "^0.1.6",
    "ember-resolver": "^4.0.0",
    "ember-route-alias": "^0.1.7",
    "ember-source": "~3.1.0",
    "ember-welcome-page": "^3.0.0",
    "eslint-plugin-ember": "^5.0.0",
    "loader.js": "^4.2.3",
    "minify-images": "^1.0.6",
    "shelljs": "^0.8.1"
  },
  "engines": {
    "node": "^4.5 || 6.* || >= 7.*"
  },
  "dependencies": {
    "ember-cli-meta-tags": "^4.0.0",
    "fastboot-app-server": "^1.1.2-beta.1",
    "serve": "^10.0.0"
  }
}

The app is woking on the local environment, but when I deploy the app, it is not working.