It was helpful for me to focus on what to do rather than what not to do.
"I'm not going to drink tonight" didn't usually work
"Tonight I am going to work out, take a family walk, drink my new chocolate mint tea and go to bed at 9:30 with a book" yielded better results.
Of course, none of it worked until I really believed in my core that life would be better without alcohol. Really better. Not 'but being able to moderate would awesome!!!!!!!"
You can do it!