Angular firebase hosting firestore is not a function

I created angular application for test firebase functions and I deployed this app on firebase hosting. Almost everything working expect firestore function. This is the error

main.8ae925009adf8b80e1bc.js:1 ERROR Error: Uncaught (in promise): TypeError: AT(...).firestore is not a function
TypeError: AT(...).firestore is not a function

I don't know why this error occurse. On my local enviroment everything work poperly. This is link for app https://elevated-analog-119716.firebaseapp.com

I use this library

"dependencies": {
"@angular/animations": "~7.2.0",
"@angular/cdk": "~7.3.7",
"@angular/common": "~7.2.0",
"@angular/compiler": "~7.2.0",
"@angular/core": "~7.2.0",
"@angular/fire": "^5.2.1",
"@angular/forms": "~7.2.0",
"@angular/http": "~7.2.0",
"@angular/material": "^7.3.7",
"@angular/platform-browser": "~7.2.0",
"@angular/platform-browser-dynamic": "~7.2.0",
"@angular/router": "~7.2.0",
"@ngxs/store": "^3.4.3",
"angularfire2": "^5.2.1",
"core-js": "^2.5.4",
"firebase": "^6.2.2",
"nativescript-angular": "~7.2.0",
"nativescript-theme-core": "~1.0.4",
"reflect-metadata": "~0.1.12",
"rxjs": "~6.3.3",
"tns-core-modules": "~5.2.0",
"zone.js": "^0.8.26"
  },
  "devDependencies": {
    "@angular/cli": "^7.2.0",
    "@angular/compiler-cli": "~7.2.0",
    "@angular-devkit/build-angular": "~0.11.4",
    "@nativescript/schematics": "~0.4.0",
    "@types/jasmine": "2.8.6",
    "@types/jasminewd2": "~2.0.3",
    "@types/node": "~8.9.4",
    "codelyzer": "~4.2.1",
    "jasmine-core": "~2.99.1",
    "jasmine-spec-reporter": "~4.2.1",
    "karma": "~1.7.1",
    "karma-chrome-launcher": "~2.2.0",
    "karma-coverage-istanbul-reporter": "~2.0.0",
    "karma-jasmine": "~1.1.1",
    "karma-jasmine-html-reporter": "^0.2.2",
    "nativescript-dev-typescript": "~0.8.0",
    "nativescript-dev-webpack": "^0.20.0",
    "protractor": "~5.3.0",
    "ts-node": "~5.0.1",
    "tslint": "~5.9.1",
    "typescript": "~3.1.1"
  }