Becoming sober was the best decision I’ve ever made in my life. One of the difficult ones as well. It requires a lot of effort and changes in life.
But it’s absolutely doable if you make little steps. So focus on today and how to get trough it sober.
A good thread to read for you is: What's YOUR plan? and maybe you want to check in every day too. You find a special very active threat where we do so here:
Feel free to join!
In the first year of my recovery I was here every day to check in sober. It helped me to stay focussed and keep myself accountable.
Sober for a few years now and still here every day 
Because it helps! 
I can’t miss my sober life, it’s good!
So welcome here and I hope seeing you around often 