Straight Edge and the Workplace

At my current job everyone knows I'm Straight Edge and I know that a few people there don't like it. It's caused a few issues with some. They felt I didn't like being around them when they drank or that I didn't like going out to bars with them. Honestly I don't mind it as long as the place is cool. I've never said a bad word about anyone there that drinks.

I'm starting a new job soon and I'm considering not even telling anyone unless it comes up in a very specific situation. It could be like the typical rule that you don't discuss religion and politics at work. My Edge is my own personal decision, but I don't want to feel like I am in any way ashamed of my beliefs because I am not discussing them with others that I will be spending a lot of time with.