first time mum , breast feeding

Hey guys I am a first time mum , I'm currently 22weeks pregnant , and would love some advice about breast feeding none of my family have ever done it so would love some tips and musts of mums that have , I no nothing so any advice would be great and maybe good books to read and products to buy 😊I am 100% doing it , would also like to no how you went about publically feeding and if you have any story's are Nasey are nice comments about it , I'm really nervous