Eating Healthy while Pregnant!!

I have a 16m old and just recently found out I was pregnant with baby #2! So happy! :) I gained ALOT of weight w 1st baby, I do not want that to happen again. What did you ladies do to not gain so much weight? (Obviously I’m gonna gain some, but I don’t want to gain anymore than I have to) I need eating tips especially!! Please help, I send my ❤️