Container Security
How to Containerize a Node.js App Securely
The default Node.js Dockerfile runs as root, ships dev dependencies, and bakes secrets into layers. Here is a secure, multi-stage build you can copy, step by step.
Jul 1, 20266 min read
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Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
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Kubernetes Network Policies: A Practical Guide
By default every pod in a Kubernetes cluster can talk to every other pod. NetworkPolicies are how you replace that flat network with least-privilege segmentation — here is how to design and roll them out without breaking traffic.
Jul 1, 20265 min read
Container Security
Kubernetes Security Best Practices for 2026
A default Kubernetes cluster trusts too much: root pods, flat networking, and readable secrets. Here are the hardening practices that actually move the needle in 2026.
Jul 1, 20265 min read
Container Security
10 Docker image security best practices
Ten concrete Docker image security practices — minimal base images, secret handling, reachability-based scanning, non-root runtimes, and SBOMs — with real CVEs and data.
Jun 28, 202610 min read
Container Security
Top Docker security vulnerabilities to watch
Runc escapes, exposed Docker APIs, malicious registry images: the Docker vulnerabilities actually driving incidents in 2024-2025, and how to triage what's exploitable.
Jun 28, 20267 min read
Container Security
Choosing secure base images for containers
Base image choice drives most of your container's attack surface. Here's what secure Docker base images actually require, with concrete CVE data.
Jun 28, 20267 min read
Container Security
Distroless container images explained
Distroless images cut container size by up to 90% and eliminate OS-level CVEs, but they don't secure app dependencies. Here's how they work and where they fall short.
Jun 27, 20267 min read
Container Security
Alpine vs distroless: which base image is more secure
Alpine and distroless both shrink attack surface differently. We compare real CVEs, musl risks, and patch tradeoffs to settle which base image actually wins.
Jun 27, 20267 min read
Container Security
Scanning container images in CI/CD pipelines
Where to put container image scanning in your CI/CD pipeline, what it actually catches, and how to stop CVE floods from blocking every build.
Jun 27, 20267 min read
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