Throughoutadevelopmentlife-cyclecodemaymovebetweenvariousenvironments(e.g.Development->Integration->Staging->Production),howeverwemaynotwanteveryenvironmenttohavetheexactsamesetup.AnexampleofthismightbethatonStagingandProductionwehaveCSS/JSaggregationenabledalongwithcaching.OnaDevelopmentenvironmentwemaywantbothofthosedisabled.Thedatabaseconnectionisalsogoingtobedifferento...