docs(k8s-operator): secretName field for fetching a single secret

[DanielHougaard]

Description 📣

Documentation for the new secretName field for fetching a single secret using the InfisicalSecret CRD without using templates.

PR: Infisical/kubernetes-operator#10

Type ✨

• Bug fix
• New feature
• Improvement
• Breaking change
• Documentation

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[maidul98]

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[greptile-apps]

Greptile Summary

This PR adds documentation for a new secretName field in the InfisicalSecret Custom Resource Definition (CRD) for the Kubernetes operator. The field is optional and allows users to fetch a single specific secret from Infisical by name, rather than retrieving all secrets within the specified scope.

The change is purely documentation-focused, adding consistent explanatory comments across multiple authentication method examples in the docs/integrations/platforms/kubernetes/infisical-secret-crd.mdx file. Each example now includes:

secretName: <secret-name> # OPTIONAL: If you want to fetch a single Infisical secret, you can specify the secret name here. If not specified, all secrets in the specified scope will be fetched.

This documentation update corresponds to a feature implemented in the Kubernetes operator (referenced PR: Infisical/kubernetes-operator#10) and maintains backward compatibility - when secretName is not specified, the operator continues to fetch all secrets in the scope as before. The feature integrates with the existing authentication methods (Universal Auth, AWS IAM, GCP, Azure, Kubernetes, LDAP, Service Account, and Service Token) and provides more granular control over secret retrieval, which can improve performance and reduce resource usage when only a specific secret is needed.

Confidence score: 5/5

• This PR is extremely safe to merge with no risk of breaking existing functionality
• Score reflects that this is purely documentation with no code changes and maintains backward compatibility
• No files require special attention as this is straightforward documentation enhancement

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