Congrats on your comeback.
Hmm... I dont really know what to say as far as hernia goes. Dr. Chiro and Bandaidwoman are both medical professionals of sorts on here, asking them a question about this would be advisable IMO.
My advice is start very light and very slow, and only with Dr. permission.
Eat PLENTY of protein and gradually increase both intensity and weight. The last thing you wanna do is pretend your superman and jump into intense training.
Post your routine in here and get feedback.