the.com/multitenancy
one app, many customers, zero idea they're sharing walls.
means a software architecture where a single instance serves multiple customers whose data stays logically separated but physically cohabits.
from borrowed from real estate — landlords, one building, separate leases — applied to computing as cloud providers realized one server could quietly host thousands of paying strangers.
vs single-tenantone codebase to patch instead of thousands
cost driverwhy saas is cheap at scale
riskone bug can leak everyone's data at once
noisy neighboranother tenant's traffic can slow your app