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Kubernetes CI/CD Security Scanning

A fully automated DevSecOps pipeline that scans Kubernetes manifests and Docker images, generates security reports, and uploads artifacts through GitHub Actions.

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Kubernetes CI/CD security scanning pipeline architecture

Why I Built This

I built this pipeline to move security checks earlier in the delivery process, where issues are faster and cheaper to fix. Kubernetes deployments can look healthy while still carrying risky configuration or vulnerable images, so the goal was to make those problems visible before they reached a cluster.

Key Decisions & Challenges

  • Combined Trivy, KubeLinter, and Kubesec so image vulnerabilities, YAML misconfigurations, and resource security risks are checked together.
  • Triggered scans with GitHub Actions on code changes to make security part of the normal developer workflow.
  • Uploaded JSON reports and artifacts so findings stay reviewable, auditable, and useful beyond a single pipeline run.

Results

3 scannersLayered security coverage
Every pushAutomated validation
Audit-readyReports and artifacts

What I built

  • Automated GitHub Actions workflow triggered by code pushes.
  • Scanned Kubernetes YAML for misconfigurations with Trivy.
  • Applied KubeLinter static analysis for Kubernetes best practices.
  • Used Kubesec to analyze Kubernetes resource security.
  • Built and scanned Docker images before generating reports.
  • Uploaded JSON reports and artifacts for review and auditing.

Technology stack

KubernetesGitHub ActionsTrivyKubeLinterKubesecDockerBash