Я экспериментирую с Heroku для Perl, но этот вопрос не относится к Perl.
[root@myhost MyApp-Perl]# git push heroku master
Pushing to git@heroku.com:MyApp-perl.git
Counting objects: 17, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (12/12), done.
Writing objects: 100% (17/17), 1.70 KiB, done.
Total 17 (delta 2), reused 0 (delta 0)
-----> Heroku receiving push
-----> Fetching custom buildpack... done
! Heroku push rejected, no Cedar-supported app detected
To git@heroku.com:MyApp-perl.git
! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'git@heroku.com:MyApp-perl.git'