Chapter 8Scaling Up

Our application now delivers on its basic promise: answering JavaScript programming puzzles. Are we ready to share it with the world?

Let’s say we share it with friends, who share it with their friends, and so on. Eventually, millions of people are using the app. How will it perform? What will it cost to support all of these users? How will we monitor it when it’s performing thousands of operations a day?

You might not start thinking about these problems until an app has exceeded your wildest dreams. They’re good problems to have, but they’re still problems. In this chapter, you’re going to see some potential solutions to these problems and learn how to apply them. That way, when your application grows into the millions of ...

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