base-images
Safeguard articles tagged "base-images" — guides, analysis, and best practices for software supply chain and application security.
24 articles
Alpine vs Debian base image vulnerability comparison
A 2026 look at Alpine vs. Debian base image CVEs shows raw vulnerability counts mislead — patch cadence and reachability matter more than distro choice.
The Node.js Image: A Security Guide to Docker Base Images
Choosing a Node.js image is a security decision, not just a size one. The tag you pick, alpine, slim, or distroless, and the version you pin decide most of your container's attack surface.
Best practices for containerizing .NET applications securely
.NET 8 gave containers a built-in non-root user and chiseled images that cut one team's CVE count 92% — most Dockerfiles still don't use either.
Reducing Docker image build time without sacrificing security
Multi-stage builds and minimal base images can cut CI build times dramatically — and they're the same changes that shrink your CVE attack surface.
Alpine vs Debian Base Image Security: Which Is Safer?
Alpine is tiny and dodged the xz backdoor; Debian has deeper security tracking and broader compatibility. Here is how the two base images actually compare on security — and how to harden either one.
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.
Reducing CVEs in container base images
Base images inherit hundreds of OS-level CVEs your app never touches. Here's how reachability analysis and minimal bases cut real risk, not just counts.
How Snyk Container's Base Image filter isolates OS-level ...
How Snyk Container's Base Image filter separates OS-level vulnerabilities from application dependencies, how it identifies base images, and where attribution breaks down.
How Snyk Container's automatic base image remediation PRs...
How Snyk Container's automatic base image remediation PRs pick replacement tags, what triggers them, and what they actually change in a Dockerfile.
How Snyk Container's exclude and allow policies reduce no...
Snyk Container's exclude and allow policies scope ignore rules to specific paths and layers, filtering base-image noise without hiding real application risk.
Best Container Base Images for Security in 2026
Chainguard, distroless, Alpine, UBI micro, Ubuntu chiseled, and scratch, compared on CVE counts, size, libc, and the operational costs nobody puts in the marketing.
Choosing a Docker Node Version: A Security Guide
The Docker Node version you pin decides your patch cadence, image size, and vulnerability exposure. Here is how to pick and maintain a Node base image safely.
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