Why should the test and production environments be alike?

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 Why does production and test environments have to be similar?

Production and test environments need to be similar because it helps catch problems before the software goes live. If the test environment closely matches the production environment, developers and testers can see how the software will behave in the real world. This reduces the chance of unexpected bugs or issues appearing after release, ensuring a smoother and more reliable experience for users.

For Example:

Think of test and production environments like a dress rehearsal and the real show in a theater.

The test environment is the dress rehearsal where actors practice everything exactly as it will be on opening night.

The production environment is the real show with the actual audience.

If the dress rehearsal closely matches the real show, actors can spot problems and fix them beforehand. But if the rehearsal is very different like missing props or a different stage mistakes might happen during the live performance.

In conclusion, having test and production environments that closely match helps catch and fix problems early. This practice ensures a smoother, more reliable experience for users when the software goes live.

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