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How to test production for dummies
Step-by-step guide to testing in production- Enable new features for a small group of users or internal testers by "turning on" a feature flag. This lets you test the feature in the real production environment without affecting most users.
- Deploy changes in small increments. This makes it easier to isolate the cause of an issue if one arises. For example, a new version is released to a small percentage of users first, then to a larger percentage, and so on.
- Use A/B testing to compare two versions of a feature. This is useful for testing user experience changes and determining which version is more effective.
- Have robust monitoring and alerting set up to quickly identify any issues. Set up alerts to notify you immediately if errors, performance degradations, or other problems occur.
- Always have an easy way to revert a change if it causes problems. This could be an automatic rollback feature or a fast deployment process that allows you to quickly go back to the previous stable version.
- Deploy a feature to production but keep it hidden from users. You can then send a duplicate or "shadow" copy of production traffic to the new code to test its performance and correctness without impacting live users.
09/30/2025Read more
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