heroku push error: “Could not detect rake tasks”

Question

I\'m trying to deploy a basic app and it\'s not working. Using

git push heroku master 

I got this error message:

remote:          


        

Answer 1

use the rbenv to install ruby 2.6.0

 rbenv install 2.6.0

Then go to your project directory and set the ruby version

 rbenv local 2.6.0

Remove the install bundlers

 gem uninstall bundler

Then install the latest bundler,the following will install the latest bundler

 gem install bundler

Then you are good to go.