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World A4: Containers in the Cloud

Costs: what eats money

You will learn: what keeps billing while you sleep, which choices save money for a demo, and what to do when the alarm rings.

Checked with AWS 2026-11 on 1 Nov 2026

The problem

Tap each point on the timeline.

Empty is not deleted. Tap the story. What still ran after the pods were gone?

Watch

Some parts bill by the hour, busy or idle. Others are free until used. Judge each one.

One at a time: does it keep costing money while it sits idle?

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NAT gateway with no traffic

On the bill (costs even when idle)

Nothing here yet.

Free shelf (free when idle)

Nothing here yet.

Watch

Moving data has a price too. Data transfer out: Data that leaves AWS for the internet. It is billed per GB, so big downloads cost money. is the big one. Which direction usually costs?

Try it

A demo and a real shop need different choices. Sort them.

Drag a card into a box. Or tap the card, then tap the box.

      Predict

      Your budget alarm emails you on day 10: 80% spent. What do you do first?

      Check

      Money-safe habits, or risky? Swipe right for safe.

      Swipe right for good, left for needs work. Or use the buttons.

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      Tag everything with project=kedai-kancil

      You did it!

      You can now spot what eats money, and act fast when the alarm rings.

      Go deeper (optional)

      Where the story breaks: a mall bills monthly rent. AWS bills by the hour, second or GB, and the bill arrives late. A quiet unit can still cost money. That is why the budget alarm comes first, and clean-up comes last.