Congratulations!! Fingers crossed that all goes well and you guys can welcome that new life you created together onto this planet!
As others have said here, it’s truely special and something you have to experience to know why and how we’re all raving about it
So in that regard, take it easy in the beginning, no pressures at all, especially not for your partner. This also includes feeling something for the little one — it might take a few days/weeks/months to bond to the degree where you can really understand everyone’s excitement for you here
don’t worry, that’s normal! Same goes for your partner, she might feel alienated from the child in the first few days / weeks (can be a hormonal thing, totally normal if that happens and nothing to waste much thought over other than knowing that it’ll pass). No rush in feeling love for your child, you will have lots of time for this love and connection to build, and build it will! Lol. I remember calling a friend to share my joy when our first child smiled at me for the first time, my friend had been a dad for nearly 10 years already, he told me “you just wait, this is nothing to what you will feel for her going as you grow together.” — 100% true. It just gets better and better, God willing.
Stress at the beginning is real also. The mind hates the uncertainty and vulnerability, be patient and kind to yourselves and don’t be afraid to talk about it to each other but also be wise enough to know the mind’s fear scenarios are just imaginations and not worth fretting over (again, way human).
One practical tip I’d give is: don’t force each other to do everything 50/50 just because that’s sort of the societal expectation. My wife and I just mixed it up and tried to “gift” to the other time to sleep / relax/ hang out. So for example, at night I might sleep in another room (so one of us is fit during the day) or take the little one and give my wife the opportunity to have a few good hours of sleep — I know couples where they insist on doing everything 50/50 (100/100) and end up with both of them not sleeping much and/or stressed out by that. You guys WILL get sleepy and moody lol, best to come up with ways where it’s never or only rarely both of you being sleepy and moody at the same time 
I highly recommend taking pride in and drawing pride from supporting your partner in the first few weeks and months in whichever way is positive for her.
I also highly recommend learning how to tie the baby to you with a carrying sling (starting around one month old — we like Manduca slings for that). I’m talking about just a long cloth here, NOT the bigger carriers with buckles etc. it’s a fantastic way to be useful as the dad in the early months/year, because the sling is a fantastic place for the child to be and sleep in, and it feels amazing to have the little one tied up to one’s chest
— it’ll also be great for your mobility as a couple and also it’s easy to tie the child up and go for a walk for an hour or two while they are asleep — which will give your partner some quality time to relax and recharge
I did just that this morning 
Last tip is cut yourselves some slack as parents and be willing, ready and happy to learn with your child. I see peope putting a lot of pressure on themselves trying to get it all right and being “the perfect parents” and apart from the fact that that’s super tedious and hard to keep up I also think it’s sort of missing the point a bit. Your child will teach you every day like hopefully you will teach them. And they will give you lots of energy and care also just as you give it to them. It really IS a full, bi-directional relationship and like in all relationships you’ll get to learn each other and learn with each other as you grow together. So long as there’s love and care and good intention you’ll be doing your part.
Fingers crossed for you guys and if ever you need to bounce thoughts/questions/experiences/worries off of someone, feel free to post here with us.