I try not to give straight up advice but really - do not have children with an active alcoholic.
This cannot be stated enough, especially if - as you may learn much, much later (when it is too late) - there may be coexisting mental illness, which is extremely common in alcoholics. It's why many of them use alcohol to self medicate.
My son is dealing with the really poor gene pool that I dove into. XAH is ACOA. Beyond the abandonment and the lack of a father-son relationship that my son experienced from babyhood onward while AH was drinking, XAH has been diagnosed with bipolar disorder. Bipolar has a proven strong familial component, and my son's struggles with depression and inexplicable mood changes now make more sense.
The alcoholic spouse is the "gift" that keeps on giving. Your innocent, yet to be born children have NO say in the matter. I try not to think of what might have happened if I had had children with someone other than XAH. I can't get through this otherwise.