Heroku push rejected, no Cedar-supported app detected git init git remote add heroku git add . git commit -a -m "First commit" git push heroku master Counting objects: 102, done. Delta compression using up to 4 threads. Compressing objects: 100% (86/86), done. Writing objects: 100% (102/102), 315.47 KiB, done. Total 102 (delta 3), reused 0 (delta 0) **-----> Heroku receiving push ! Heroku push rejected, no Cedar-supported app detected** To git@heroku.com:electric-dusk-3217.git ! [remote rejected] master -> master (pre-receive hook declined) error: failed to push some refs to