Aging like milk, not wine: The realities of container security
"Containers age like milk, not like wine. Think of it in terms of food: Milk is a key component in cooking, from baking to sauces. If the milk sours or goes bad, so to does the recipe. The same things happens to containers, especially as they are being looked to as key components for production systems. A stale or "soured" container could ruin an otherwise promising deployment."