I have a mine in a 100x30x45cm glass terrarium, i don't have exact age information but he weights 55gr and is around 60cm long. Its been 2 months since i got him and hes doing fine in there. I have a lot of hides and places for him to climb on and foliage to sneak under. When i say a lot i mean A LOT, like 6 hides.
heres a pic of the terrarium bellow,
since taking this pic i removed some of the random cork bark on the ground cause i had a hard time finding his poo but he didnt seem to care still comes outside every night and roams around