How to debug Ruby scripts

If you are using RubyMine, debugging ruby scripts is simple and straightforward.

Suppose you have a Ruby script hello_world.rb

1. Set breakpoints

Set a breakpoint at line 6 as below.

2. Start debugging

Now you can just start the debugger to run the script:

3. Inspect variables, etc.

Then when the execution hits a breakpoint, you'll be able to inspect variables, etc.

Further information for your reference

1. If you would like to use RubyMine to do remote debugging, you can do so.
2. If you would like to use RubyMine to remote debug rails running inside a docker, it is also straightforward.