RubyMine provides a debugger for Ruby code, including the ERB and HAML files. Debugging Ruby 2.0+ projects requires the debase and ruby-debug-ide gems installed in the project SDK. If these gems are not installed, RubyMine will suggest doing this when you run debugging for the first time.
General debugging procedure
(Optional) Configure the debugger settings in thepage.
If necessary, create or modify an existing run/debug configuration.
Place breakpoints in your code.