I deployed my app on Heroku it doesn't work so when i checked out the app in Heroku website i've noticed that it has no dynos and it's supposed to be having one dyno by default if no Procfile detected.
That's what i've been doing the most of the time previously and it was working fine
Heroku logs says:
No web processes running
it has no Procfile only some images css and HTML.
Finally, i was stuck in that for like 3 hours or more thank god it's fixed... fixed just by deleting the whole heroku app and then specifying the buildpack that you gonna use in your interactive terminal with this command line heroku buildpacks:set heroku/php and you can add it on creating the app directly and that's what i did and it was fixed like that:
heroku create myapp --buildpack heroku/php
and the main reason was because of one python library was installed and i wasn't even using it so heroku finds two builpacks python and php and used the python one so when i did specifying that i'm actually using PHP everything works fine
i'd like to document it in public so others (including me) can find it later. Now, others can benefit from my misfortune LOL