Cloud Computing
Docker
Subjective
Sep 30, 2025
How do you implement Docker image scanning and vulnerability management?
Detailed Explanation
Docker image scanning and vulnerability management: 1) Built-in Docker Scan: docker scan myimage:latest, Powered by Snyk, Identifies vulnerabilities in base images and dependencies, 2) Third-party tools: Clair (open source), Twistlock/Prisma Cloud, Aqua Security, Anchore Engine, 3) CI/CD integration: Add scanning step in pipeline, Fail builds on high-severity vulnerabilities, Example: docker scan --severity high myimage, 4) Base image selection: Use official images, Choose minimal base images (Alpine, distroless), Keep base images updated, 5) Dependency management: Regularly update application dependencies, Use package lock files, Remove unnecessary packages, 6) Runtime protection: Monitor running containers, Implement runtime security policies, Use admission controllers in Kubernetes, 7) Compliance: Regular security audits, Vulnerability reporting, Patch management processes. Best practices: Scan early and often, Automate vulnerability detection, Prioritize critical vulnerabilities, Maintain security baseline, Document remediation procedures.
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