How to make a cucumber salad that has everything?

Therefore, it can be quite an independent dish.

eggs: 2 pcs
salt: 1 tsp
COOK FOR 7 MIN OVER MEDIUM HEAT
red onion: 1 pc
apple cider vinegar: 1 tsp
salt: 1 tsp
lettuce: 50g | 1.8oz
cucumber: 1 pc

dressing (dressing is an important and key combination in the salad):
natural yogurt: 2 tbsp
mustard: 0.5 tsp
salt: 1 tsp
turmeric: 1 tsp
olive oil: 1 tbsp

tuna in its own juice: 1 can