TH 7 strategy

What you need
200 camp space
level 9 barracks
level 1 dark barracks
Barbarian king

11 giants level 4
1 healer level 2
40 archers level 4
12 wizards level 4
6 wall breakers level 4
1 dragon level 1-2
5 minions level 1-2
Spells 1-2 heal level 3 1-2 rage level 3
1 space is left over for whatever you want
Clan Castle level 3 20 space
dragon any level or minions or wizards

How to attack
1 First draw out any CC troops if they are low tier use some archers otherwise deploy 1 wizard after archers to distract

2 Send in giants followed by wall breakers on one side

3 Archers in a row (horizontally if coming from top or bottom vertically if coming from left or right)

4 Back them up with wizards and dragon +

5 now send you healer minions and what is in your CC

Spells should be used like this one heal on the giants when they get about half health
1 rage on giants after heal spell is used
1 rage on wizards and archers when they get close to the th

I used a pretty similiar composition when I was a TH 7 sometimes, worked fine!