| Capacity planning |
Pick instance sizes, set replica counts, tune the autoscaler |
None — isolates spin per request |
| Global presence |
Duplicate the stack per region, manage failover yourself |
31 regions on by default |
| Cold start |
Seconds — image pull, boot, health check |
7 ms median from snapshot |
| Idle cost |
Minimum replicas bill around the clock |
Zero — you pay per request |
| Rollback |
Re-deploy a previous tag, wait for the rollout |
Two seconds, any of 100 revisions |
| Config surface |
Dockerfile, manifests, ingress, HPA, secrets store |
One handler file |