This chapter is enacted for the purpose of promoting the health, safety, morals and the general welfare of the Borough in accordance with a comprehensive plan, and is designed to lessen congestion in the streets, roads and highways, and to secure safety from fire, panic and other dangers, to provide adequate light and air, to prevent the overcrowding of land, to avoid undue concentration of population, to facilitate the adequate provision of transportation, water, sewage, schools, parks and other public requirements, to provide for the reasonable development of minerals, to adopt a Zoning Map dividing the Borough into zoning districts with varying regulations, and to encourage the most appropriate use of land throughout the Borough.