what kinds of foods do people eat during the spring festival, the lantern festival, the dragon boat festival and the mid-autumn festival?

During Spring Festival, people eat many kinds of food, but the most important food is the dumplings, fish and for other kinds of food, you can refer to https://www.travelchinaguide.com/essential/holidays/new-year/food.htm to have a look.
For the lantern festival, rice Dumpling must to be eaten.
Zongzi is eaten for the Dragon Boat Festival and moon cake is need to be eaten in Mid-autume festival.