Welcome Oli.
This is a great sober community for support. I tried many times, like you, without success. But now that I got support and I’m pretty active on here. I’m doing it. It takes a lot of hard work though. And for me turning it over to God. Luck has nothing to do with it.
With that said.
Good luck 
I hope to see you around.
Here are two good threads to start:
One day
Or day one
You get to decide