i have a Rails app with mysql2 gem as DB for Active Record.
after deploy my app to fly with fly deploy i have this error during deploy logs
#14 9.243 An error occurred while installing mysql2 (0.5.4), and Bundler cannot continue. #14 9.243 #14 9.243 In Gemfile: #14 9.243 mysql2
how can i do to install this gem, i have a remote mysql DB