Image Overview

Public Dex Image vs. Minimus Hardened Dex Image

Dex Image Overview

The Dex container image bundles the Dex server runtime (the compiled Go binary and minimal base filesystem), its configuration loader, OIDC connector plugins, storage adapters (SQL/KV), HTTP/TLS server, metrics and health endpoints, and standard logging. Images typically include container-friendly defaults for liveness/readiness probes and TLS certificate reload.

In containerized and production environments the Dex image runs as a standalone auth service or sidecar, backed by persistent storage and exposed via ingress/load‑balancer. Typical workloads include acting as an OpenID Connect broker for applications and Kubernetes clusters, issuing short‑lived tokens, and providing user info and auth flows for SSO integrations.

Teams evaluate a Dex hardened image in regulated or security‑sensitive deployments to obtain reduced attack surface, reproducible/signed builds, stricter filesystem and capability controls, and pre-baked vulnerability and configuration hardening that simplify compliance reviews.

Minimus Dex Image

CIS
NIST
FIPS 140-3
STIG

The Minimus Dex image differs from typical Dex container images by being built from scratch with only the essential components required to run Dex, rather than starting from a general-purpose distribution. That minimal build reduces the attack surface—there are far fewer packages, shells, and background services to exploit—while also making the artifact faster to start, lighter to distribute, and easier to review and maintain in operational pipelines.

The Minimus hardened Dex image follows container hardening practices aligned with industry guidance, including NIST SP 800-190 and relevant CIS Benchmarks, providing secure defaults, tightened filesystem and process privileges, and reproducible, verifiable builds. For engineers and security teams this means a smaller, more auditable runtime footprint with a narrower patch and compliance surface compared with conventional Dex images.

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Try the Minimus Hardened Dex Image

Get access to the Minimus platform, with thousands of hardened container images, supply chain protection, native compliance reporting, and seamless integrations to your existing development toolchain.
Secure, Minimal Container Images
Hardened to NIST and CIS standards with FIPS 140-3 and STIG ready images available.

Supply Chain Protection

Defend against malicious packages with advanced heuristic filtration

Custom Image Creation

Create your own hardened images with the packages, files and certs you need. Minimus handles updates automatically.

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Frequently Asked Questions

Dex Container Image FAQ

Answers to common questions about Dex and the Minimus Hardened Dex Image
Is DEX Imaging a big company?

DEX Imaging is a mid-size, privately held company that specializes in document imaging, copier/printer solutions, managed print services, and related support. It has a national US footprint with hundreds of employees and a track record of steady growth, but it is not a global tech giant like the largest cloud or hardware companies.

Context: in container terms, Dex image is not their primary focus; their strength lies in imaging services rather than building or distributing container images. For security deployments, a hardened Dex image can be used to reduce attack surface.

Does Staples own DEX Imaging?

No. Staples does not own DEX Imaging. DEX Imaging is an independent, privately held copier/printer and managed services company that operates separately from Staples.

If you’re asking about software terminology, such as a container image used in deployments, that is unrelated to the company's ownership. In that context, you would typically use a hardened Dex image to improve security in production environments.

Who is the CEO of DEX Imaging?

I'm not able to fetch real-time leadership information. To confirm the current CEO of DEX Imaging, please consult the company's official website, recent press releases, or regulatory filings.

In a related note for software container practices, you can reference a hardened Dex image to ensure security and integrity when deploying containers.

Can I replace my Dex image with the Minimus Hardened Dex Image?
Yes. The Minimus Dex image contains everything you need to run Dex successfully.
Does Minimus offer FIPS 140-3 images?
Yes, Minimus images are hardened to CIS and NIST standards, with FIPS 140-3 and STIG ready variants available.