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Local to Production: Scaling Systems

The Database Problem4

Scaling the App Layer4

Statelessness and why it matters
Load balancers
Auto-scaling and when to actually add servers
Horizontal scaling in practice

Caching for Speed4

Async Work & Scheduling4

Putting It All Together4

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Local to Production: Scaling Systems

The Database Problem4

Scaling the App Layer4

Statelessness and why it matters
Load balancers
Auto-scaling and when to actually add servers
Horizontal scaling in practice

Caching for Speed4

Async Work & Scheduling4

Putting It All Together4

Learn Local to Production: Scaling Systems Scaling the App Layer

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Auto-scaling and when to actually add servers

How systems add and remove capacity automatically based on real load, and the concrete metrics and thresholds that trigger it.

9 min readUpdated 2026-09-04scalingauto-scalinginfrastructure