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Source-of-Truth Infra Diagram Generator
Build a SaaS or self-hostable web app that reads infrastructure repositories and APIs to auto-generate accurate architecture diagrams from real configuration. The strongest demand comes from advanced self-hosters, consultants, and platform engineers who want documentation that updates with code and includes meaningful metadata.
Why this matters
You run a home or small professional infrastructure from code, but your diagrams never quite match reality. If you update a cluster, move workloads, or change host placement, your visual docs are immediately suspect unless you maintain another file by hand. Existing diagram tools make nice images, yet they sit outside the actual configuration and become one more artifact to babysit. What you really want is a diagram generated from the same repository or APIs that define the system, so topology, metadata, and service placement stay current without duplicate work.
- · Built for DevOps consultants, platform engineers, and advanced self-hosters managing Kubernetes, virtualization, and declarative infrastructure in Git-based repos..
- · Most likely monetization: SaaS subscription with self-hosted paid license.
The Pain · Narrative
You run a home or small professional infrastructure from code, but your diagrams never quite match reality. If you update a cluster, move workloads, or change host placement, your visual docs are immediately suspect unless you maintain another file by hand. Existing diagram tools make nice images, yet they sit outside the actual configuration and become one more artifact to babysit. What you really want is a diagram generated from the same repository or APIs that define the system, so topology, metadata, and service placement stay current without duplicate work.
Score Breakdown
Market Signal
Go-to-Market
Individual consultants and senior self-hosters who keep Kubernetes or virtualization infrastructure in a Git monorepo and already use CI.
~50K-150K globally in the most reachable early-adopter segment
SEO long-tail
$19/month
20 paying users who connect a repo and keep auto-generation enabled for at least 30 days
MVP Scope · 1–2 weeks
- Define a unified graph schema for nodes, services, networks, and host relationships
- Build GitHub OAuth and repo import for public repositories
- Parse one common input path such as Kubernetes YAML plus a simple D2 export
- Render SVG diagrams with ELK or Graphviz and expose PNG download
- Create a landing page with waitlist and example outputs
- Add GitHub App webhook to regenerate diagrams on push
- Overlay metadata such as IPs, ports, labels, and host assignments
- Support README image embedding with a stable URL
- Add a manual review screen for ambiguous relationships before publishing
- Launch to infrastructure communities and measure connected repos and conversions
Differentiation
Why This Might Fail
Self-rebuttal — the most important trust signal
- 1The market may admire automation but still treat diagrams as a low-priority hobby task not worth recurring spend.
- 2Supporting enough infrastructure formats to feel magical may take far longer than a narrow MVP can sustain.
- 3Advanced users may assemble similar functionality from open-source tools and custom scripts, limiting differentiation.
Evidence Summary
How AI synthesized this insight — no verbatim quotes
The discussion repeatedly returned to diagram drift and the burden of maintaining a second representation of infrastructure. Several commenters challenged whether a separate diagram file truly solves the problem, while others highlighted that generating from actual configuration is materially better because it can include real IPs, ports, and topology details. That combination points to a clear need for source-of-truth documentation automation rather than another visual editor.
Action Plan
Validate this opportunity before writing code
Recommended Next Step
Build
Strong demand signals detected. Real pain, real willingness to pay — start building an MVP.
Landing Page Copy Kit
Ready-to-paste copy based on real Reddit community language — no editing required
Headline
Source-of-Truth Infra Diagram Generator
Sub-headline
Build a SaaS or self-hostable web app that reads infrastructure repositories and APIs to auto-generate accurate architecture diagrams from real configuration. The strongest demand comes from advanced self-hosters, consultants, and platform engineers who want documentation that updates with code and includes meaningful metadata.
Who It's For
For DevOps consultants, platform engineers, and advanced self-hosters managing Kubernetes, virtualization, and declarative infrastructure in Git-based repos.
Feature List
✓ Repo scanning for Kubernetes, Nix, Docker, Terraform, and Proxmox-related config ✓ Automatic diagram generation with infrastructure metadata overlays ✓ CI integration that updates diagrams on pull request or push
Where to Validate
Share your landing page in r/r/selfhosted — that's exactly where these pain points were discovered.
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