Don't give up hope. I suffer from social anxiety, too. In fact, I think everyone I have talked to here at SR also has social anxiety. I am an introvert, but ironically loneliness and boredom are my major triggers. So is happiness. Addicts are a strange breed.
Find out what your triggers are and find out what you are most afraid of in sobriety. The need for escape is very strong when I want to drink, but I cannot address that need when I didn't even know what it was that I am escaping. Stay close to SR, too. The kindness and support from other addicts is critical in getting perspective and staying sober.
By the way, congratulations on your long stint of sobriety. That is something to be proud of, truly.