lean infrastructure is four decisions, read top to bottom: cut the waste, own past your break-even, observe it cheaply, don't over-staff. none of them is a technology. it's a posture — pay for what genuinely buys you something, refuse to pay for what doesn't. cut what's wasted, own what's worth owning, see everything, staff for the real load. that's the whole thing. https://rajesh.medampudi.com/blog/what-lean-infrastructure-means