Here is a very small/compact Farm. Using the max range of water (4x4), this small farm contains all the food you need for your survival game.
- Potato, carrot, wheat, pumpkin, melon, sugar cane
- Crafting table, furnace, light
- Chest (under water)
- Security fence, with gates
Made for 1.7 or later, but you can use it on earlier version (acacia wood missed)
Good Luck & Have Redstone !