Individual skill
implementing-opa-gatekeeper-for-policy-enforcement
Deploys OPA Gatekeeper via Helm as a Kubernetes admission controller and writes ConstraintTemplates with Rego plus instantiated Constraints to validate, mutate, or deny resource requests at admission time. Use when enforcing custom policy-as-code at admission on Kubernetes v1.24+, blocking non-compliant workloads before scheduling, or expressing a rule that built-in controls cannot. Keywords: Gatekeeper, ConstraintTemplate, Constraint, Rego, admission webhook, audit, mutation. Do not use for the standard pod security profiles that Pod Security Admission already covers - use implementing-pod-security-admission-controller.
skills/implementing-opa-gatekeeper-for-policy-enforcement/SKILL.md
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- Aug 31, 2026
- License
- Apache-2.0
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- ai-agents Repository topic
- claude-code Repository topic
- cybersecurity Repository topic
- incident-response Repository topic
- mitre-attack Repository topic
- penetration-testing Repository topic
- red-team Repository topic
- security Repository topic
- cloud-security Repository topic
- malware-analysis Repository topic
- opa Declared skill tag
- gatekeeper Declared skill tag
- kubernetes Declared skill tag
- admission-control Declared skill tag
- policy-as-code Declared skill tag
- rego Declared skill tag
- devops Derived category
- security Derived category
- devops-containers Derived category
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# Implementing OPA Gatekeeper for Policy Enforcement
## Overview
OPA Gatekeeper is a Kubernetes admission controller that enforces policies written in Rego. It uses ConstraintTemplates (policy blueprints with Rego logic) and Constraints (instantiated policies with parameters) to validate, mutate, or deny Kubernetes resource requests at admission time.
## When to Use
- When deploying or configuring implementing opa gatekeeper for policy enforcement capabilities in your environment
- When establishing security controls aligned to compliance requirements
- When building or improving security architecture for this domain
- When conducting security assessments that require this implementation
