cost of living in Dubai

Hi everybody,
I'm new in this forum and Internations community. I will be relocated in Dubai for a new job and I've to find an economic agreement on the base on information that at he moment are not in my possession. Is there anybody who can tell me according to his personal experience what are the main things and costs i should take care about for a reasonable evaluation of the cost of living in dubai?
In particular, cost of
-apartment (1living, 1 bedroom, kitchen, Protected content , which area
-food (both restaurants and grocery)
-activities (swimming pool, football, dancing)
-nightlife
..... and more

Thank you so much in advance.