5 lessons
What cloud computing actually is
Renting someone else's computers by the minute instead of owning your own, and why that changes what's economically possible.
When to actually move to the cloud
Self-hosting vs cloud isn't a binary religion — a concrete, numbers-based way to decide, and why the answer changes with scale.
Elasticity, regions, and managed services
What the cloud actually enables beyond just renting a VM — scaling on demand, serving users worldwide, and offloading operations.
Serverless and Functions-as-a-Service
What "serverless" actually means (there's still a server), how it bills you, and exactly when it's a good fit versus a bad one.
Cloud-native building blocks in practice
A concrete tour of what a small team's real cloud setup looks like, and how every earlier module's concept maps onto real services.