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Connect To Individual Overmind Processes Via tmux

A common Procfile.dev in a Rails project might look something like this.

web: bin/rails server -p $PORT
vite: bin/vite dev
worker: bundle exec good_job start

Instead of starting up each process that needs to be running for development to work, I can instead run a tool that reads the procfile and sets it all up for me -- like overmind.

 overmind start -f Procfile.dev

What's cool about overmind is that it starts its own tmux session and then runs each of these processes in its own window.

I can connect to any one of them by name with overmind connect <name>. Or I can connect to the session defaulting to the first window with just overmind connect.

If I need to see what is going on with my background jobs, I'll run:

 overmind connect worker

This behaves like any other tmux session, so I can use my prefix key (ctrl-z in my case) to access tmux-specific keybindings. Most notably, once I'm done looking, I'll want to hit ctrl-z d to detach from the session.

I'm already using tmux as my daily driver which means its easy for me to end up in a nested tmux session if I connect while already in my development session. To help with that, I set up a forwarding prefix.