[heroku] App not compatible with buildpack 에러 해결

페이스북 챗봇 연습을 위해 heroku서버에 올리는 도중 다음과 같은 에러가 발생하였다.

 

 

Delta compression using up to 8 threads
Compressing objects: 100% (1006/1006), done.
Writing objects: 100% (1045/1045), 1.49 MiB | 815.00 KiB/s, done.
Total 1045 (delta 159), reused 0 (delta 0)
remote: Compressing source files... done.
remote: Building source:
remote: 
remote: -----> App not compatible with buildpack: https://github.com/kr/heroku-buildpack-go.git
remote:        More info: https://devcenter.heroku.com/articles/buildpacks#detection-failure
remote: 
remote:  !     Push failed
remote: Verifying deploy...
remote: 
remote: !       Push rejected to app-test.
remote: 
To https://myPagePath
 ! [remote rejected] master -> master (pre-receive hook declined)
error: failed to push some refs to 'https://myPagePath'

 

 

 

해결 방법은 다음과 같다

터미널에 

$ heroku buildpacks:clear

를 실행해주면 앱의 기본 Heroku 빌드 팩을 사용할 수 있다.