OPA Gatekeeper
Source: content/manual/06-glossary/k8s/opa-gatekeeper.md
Definition
Kubernetes admission controller using Open Policy Agent (OPA) to validate resources against Rego policies.
Why it matters
Enforces security and compliance rules consistently at cluster boundaries.
Common pitfalls
- Cryptic error messages without developer guidance.
- Policies that mutate or block without clear remediation.