How can I meet people?

So a year ago I moved to a new city for work (had to move away from my girlfriend as she was finishing up at university). Didn't make too much of an effort to meet people as spent all weekends with her and our 'friends' and called her every night. We broke up, she is living with all of our friends so they don't talk to me anymore and I know no-one at else so I don't see anyone anymore. Everyone from work is 25 years older than me with kids so can't start seeing them outside of work.

How do I meet new people? I seem to have lost all of my friends and it's causing me to gain a lot of weight as I can't find the motivation to get to the gym and it's causing a confidence crisis
How can I meet people?
Add Opinion