通过做这个:
bundle exec heroku db:push
我懂了:
! Taps Load Error: no such file to load -- sqlite3
! You may need to install or update the taps gem to use db commands.
! On most systems this will be:
!
! sudo gem install taps
这是我的 database.yml 文件:
development:
adapter: mysql2
encoding: utf8
database: g_dev
pool: 5
username: root
password: