ShieldOps Blog

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

Dockerfile Linting Automation: Hadolint Rules Every Team Should Use

Dockerfile Linting Automation: Hadolint Rules Every Team Should Use

Automate Dockerfile linting with Hadolint: the 10 rules every team should enforce (version pinning, non-root, COPY over ADD, exec-form CMD), how to wire the gate into CI/CD, and how linting maps to CIS, PCI DSS, and NIST compliance.

Docker Image Size Reduction: 8 Techniques That Also Improve Security

Docker Image Size Reduction: 8 Techniques That Also Improve Security

Every megabyte in your Docker image is a potential vulnerability. This guide covers 8 proven techniques — from multi-stage builds to distroless images — that shrink your containers by 60-90% while slashing your CVE count and improving compliance with CIS, NIST, and PCI DSS standards.

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