Kubernetes requires extensive configuration, and keeping container security at the right level is always challenging. One of the best ways to tighten your clusters’ security is by implementing tactics that have become industry standard. Here are the 10 most important ones.
10 Best Practices for Kubernetes Security
1. Don’t Keep Secrets in an Environment Variable
It’s a good practice to have your objects use a secret in an environment variable since other parts of your system can access environment variables. That’s why it’s best to use secrets as files or take advantage of a secretKeyRef to minimize potential attacks.