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SSL/TLS in Kubernetes: The Complete Mental Model

Why I spent 3 months debugging certificate issues that could have been solved in 3 hours with the right mental framework

Sharon Sahadevan's avatar
Sharon Sahadevan
Jul 16, 2025
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It was 2:30 AM on a Tuesday when our payment processing went down. Again.

The error was cryptic: certificate verify failed: unable to get local issuer certificate.

Our monitoring indicated that all services were green, but customers were unable to complete purchases. Revenue was bleeding by the minute.

Sound familiar?

If you're running Kubernetes in produc…

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© 2025 Sharon Sahadevan
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