Keep trying or give up in my marriage ???

Before I got pregnant I was about to leave the house, I got pregnant and I thought everything will be good but every 2 weeks my husband was drinking for not any reason just cause he want to, I work in till 8 months and when I when to deliver the baby he was tired for being drunk the day before, all my ultrasound sound and check ups where normal

But when a deliver the baby at 40 weeks we got send to the nicu cause the baby have some complications 😕he have a rare syndrome he have one surgery 2 days after he was born and another one a month later and 3 days after that he have a kasai surgery cause his liver was not working and one more cause the syndrome total 4 in 2 months the next couple months he need one more surgery cause the syndrome and a liver transplant before his one year old, I was with my baby in the hospital everyday for 3 month, but finally he was able to come home he have a ostomy bag and also a catheter and 7 different medication and a ng tube also I’m the one who care for him 100% and I’m so happy to do it I’m glad the his finally at home and being a baby💞But my husband keep drinking now every week and he doesn’t want to work either he used the baby excuse but he doesn’t help at home so I’m not able to work cause I don’t think he be taking care of the baby with all his needs he’s said he have depression for all this, BUT I can’t keep dealing with him being so immature😞I wanna be 100% focus in my baby I felt sad and tired but my baby need me strong and ready for this long journey, too much in my plate right now, he have all his family here a don’t have any family here.