in 2 day my th8 gonna be finish need good base

My progress
gold mine(4 lv 7, 2 lv 6)
elixir collector(4 lv 7, 2 lv 6)
army camp(3 lv 6, 1 lv 5)
Clan castle lv 3
Cannon ( 3 lv 7 ,2 lv 5)
Archer tower (1 lv 8, 1 lv 7, 1 lv 6, 1 lv 5)
Mortar (2 lv 5, 1 lv 2)
Wizard tower (2 lv4)
Air def (2 lv 5)
Hidden tesla (2 lv 2)
barb king lv 1
Barrack (1 lv 9, 1 lv 8, 1 lv 5, 1 lv 4)
Dark barrack lv 1
Gold storage (2 lv 11)
Elixir storage (2 lv 11)
Dark elixir storage lv 2
Lab lv 5
Spell factory lv 3
Bomb (4 lv 3, 2 lv 2)
Giant bomb 2 lv 2
4 spring trap
Air bomb 2 lv 2
Seeking air mine lv 1
Wall 175 ( 155 lv 7, 20 lv 6) gonna get some when upgrading finish
4 builder
Lv 52

and hopefully gonna have 4 mil stock when my townhall finish

so any suggest what i should build and base design?