1In the terminal:
2$ ng build --prod
3$ npm install -g firebase-tools
4$ firebase login
5$ firebase init //choose dist/<project-name> as public directory
6//index.html should not be overwritten
7$ firebase deploy

1{
2  "hosting": {
3    "public": "dist/your_application_name",
4    "ignore": [
5      "firebase.json",
6      "**/.*",
7      "**/node_modules/**"
8    ],
9    "rewrites": [
10      {
11        "source": "**",
12        "destination": "/index.html"
13      }
14    ]
15  }
16}

1$ ng add @angular/fire
2