Welcome Maggie!! Wine was my downfall as well.
You can do this, and I can promise you that while it is difficult in the beginning every day gets easier, and sobriety is so worth it.
Check out the July 2017 thread, and even the August of 2017 once it starts. Also, join us in the 24 hour thread and make the commitment each day to stay sober for that day, and then do the same thing tomorrow, and the next day....
There is a lot of support in this site, looking forward to seeing you!