View laravel in heroku doesn't run correctly when first time deploy to heroku

im new to laravel. so i just try to deploy app to heroku but seem it dont work correctly

but when i run local at 127.0.0.1:8000 it work fine

i already put Procfile, add Config Vars to heroku but still not work. i don't know to fix this, please help me. thanks. full code here if you need https://github.com/salmanagustian/wedding-digital-invitation