People with experience growing them can correct me if I'm wrong, but I have the impression the regular habanero variety grows rather very large and is likely to be not as suitable for container growing.
Here's an excerpt from my own pepper inventory. As you can see, there are varieties that stay much smaller and would do better -- and will be just as hot.
VARIETY Species Ht in inches
AJI CRISTAL C.baccatuum 24 - 30
AJI DULCE C.chinense 18 - 24
(Aji?) HOT LEMON C.baccatuum 12 - 24
ANAHEIM M C.annuum 18 - 24 (more like 32-40)
Big Jim 24 - 36
BOLIVIAN RAINBOW C.annuum 18- 24
Carolina Reaper 48+
CORNO DI TORO RED C.annuum 24 - 30
Cuneo yellow bell 24 - 30
DE ARBOL C.annuum 18 - 24
Donkey Ears 12
ETKEZESI PAPRIKA
FISH C.annuum 18 - 24
"Golden Habanero (organic)" 60
Golden Summer Hybrid C.annuum 24 - 30
JALAPENO EARLY C.annuum 12 - 18
JALAPENO M C.annuum 18 - 24
PEPPADEW C.baccatuum
"PERU WHITE HB
(Peruvian White?)" C.chinense 26
Purple Beauty C.annuum 18 - 24
Ramiro sweet pepper
SCOTCH BONNET RED C. chinense 18 - 24
SIVRI BIBER C. Annul 24 - 36
"Thai Sun" 12
TOBAGO SEASONING C.chinense 24 - 30
TRINIDAD PERFUME C. chinense 24 - 30
BRAZILIAN STARFISH C.baccatuum 30- 36
CHILI PIQUIN/TEPIN
CUMARI C.chinense 18- 24
JAMAICAN HOT CHOCOLATE C.chinense 24 - 30
"PERU PAINTER PI215741"
QUADRATO d'ASTI GIALLO C.annuum 24 - 30
RED SAVINA C.chinense 42
ROCOTO RED C. pubescens 48+
Trinidad Scorpion 36