in terminal:
1. npm run build
2. npx serve -s build
3. now --name stocked-client ./build

4. create now.json file and place into ./build folder.
5. In now.json file insert following:
  {
  "version": 2,
  "name": "bookmarks-app",
  "routes": [
      {
        "src": "^/static/(.*)",
        "dest": "/static/$1"
      },
      {
        "src": ".*",
        "dest": "/index.html"
      }
  ]
}

Back to terminal:
6. now ./build

Create alias:
7. Place in now.json file "alias" :
 {
   "version": 2,
+  "alias": "jclk86-bookmarks-app"
   "name": "bookmarks-app",
   "routes": [
       {
         "src": "^/static/(.*)",
         "dest": "/static/$1"
       },
       {
         "src": ".*",
         "dest": "/index.html"
       }
   ]
 }
 Back to terminal:
 8. npm run build
 9. now --prod ./build

 10. add prebuild to scripts in package.json
      "prebuild": "CI=true react-scripts test --colors",

 11 add the following to package.json scripts:
  "predeploy": "npm run build",
  "deploy": "now --prod ./build"