leandro@leandro-VirtualBox:~/odin_on_rails/my_first_rails_app$ heroku run rails db:migrate
Running rails db:migrate on ⬢ whispering-peak-24448... up, run.2528 (Free)
Traceback (most recent call last):
	4: from /app/bin/rails:3:in `<main>'
	3: from /app/bin/rails:3:in `load'
	2: from /app/bin/spring:8:in `<top (required)>'
	1: from /usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require'
/usr/lib/ruby/2.5.0/rubygems/core_ext/kernel_require.rb:59:in `require': cannot load such file -- bundler (LoadError)