ShieldOps Blog

Discover the latest practices and guides for Docker, Kubernetes, and DevSecOps.

Shell Command Security: 10 Dangerous Patterns in Dockerfiles and How to Fix Them

Shell Command Security: 10 Dangerous Patterns in Dockerfiles and How to Fix Them

Shell commands are the most executed code in any Docker build yet the least audited. Learn 10 dangerous shell patterns — from curl|bash to injected secrets — and how to fix each one with secure alternatives.

Docker Compose Security: Hardening Multi-Service Deployments

Docker Compose Security: Hardening Multi-Service Deployments

A single misplaced ports: directive in docker-compose.yml can expose your entire backend. Learn the 7-step framework to harden multi-container deployments — network isolation, non-root users, capability drops, secrets management, image pinning, healthchecks, and continuous audit.

Dockerfile FROM Instruction Risks: Choosing Secure Base Images

Dockerfile FROM Instruction Risks: Choosing Secure Base Images

The FROM instruction is the single most impactful security decision in any Dockerfile. Learn how to choose trusted base images, pin digests, and eliminate the largest class of container vulnerabilities at the source.

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