Webapp Wendy

Runs a real product on real hardware. Needs four services to work together; if any of them fails, her users see a broken site.

Operational profile

Bundle: LB (80-400 req/s) + Vms (2-5 × 4vCPU/8GB + block) + ObjectStore (assets) + Cdn (frontend cache 88% hit). Gold SLA, $3k signup.