mchittineni · Aug 11, 2026 · Aug 11, 2026 · Aug 11, 2026 · Aug 11, 2026 · Aug 11, 2026
diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md
@@ -24,6 +24,6 @@ See [CONTRIBUTING.md](../CONTRIBUTING.md) for the full format.
 - [ ] **Heading** is `# <title>` and matches the frontmatter exactly.
 - [ ] **Answer structure** follows Short answer → Detail → Example → Interview tips.
 - [ ] **New topic only**: registered in `scripts/topic_meta.json` with an `order`, `description`, and `study_notes`.
-- [ ] Ran `python3 scripts/generate_indexes.py` (indexes are generated - do not hand-edit topic READMEs or the root TOC).
+- [ ] Ran `python3 scripts/generate_indexes.py` and `python3 scripts/build_knowledge_graph.py` (indexes and graph HTML are generated - do not hand-edit topic READMEs, graph HTML, or the root TOC).
 - [ ] Ran `python3 scripts/validate_content.py` and it passed.
 - [ ] Content is accurate, and any code examples actually work.
diff --git a/.github/workflows/knowledge-graph.yml b/.github/workflows/knowledge-graph.yml
@@ -0,0 +1,49 @@
+name: Deploy Knowledge Graph to GitHub Pages
+
+on:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: true
+
+jobs:
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+
+    env:
+      PYTHON_VERSION: "3.13"
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
+
+      - name: Set up Python
+        uses: actions/setup-python@5fda3b95a4ea91299a34e894583c3862153e4b97 # v7.0.0
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+
+      - name: Build Knowledge Graph HTML
+        run: python3 scripts/build_knowledge_graph.py --output docs/index.html
+
+      - name: Setup Pages
+        uses: actions/configure-pages@45bfe0192ca1faeb007ade9deae92b16b8254a0d # v6.0.0
+
+      - name: Upload Artifacts
+        uses: actions/upload-pages-artifact@fc324d3547104276b827a68afc52ff2a11cc49c9 # v5.0.0
+        with:
+          path: docs
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@cd2ce8fcbc39b97be8ca5fce6e763baed58fa128 # v5.0.0
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -84,11 +84,13 @@ The `# <title>` heading must match the frontmatter exactly.
 Topic READMEs and the root README's table of contents are **generated**. Never edit them by hand - your change will be overwritten and CI will fail.
 
 ```bash
-python3 scripts/generate_indexes.py     # rewrite all indexes from the question files
-python3 scripts/validate_content.py     # frontmatter, naming, links, index freshness
+python3 scripts/generate_indexes.py        # rewrite all indexes from the question files
+python3 scripts/inject_wikilinks.py        # inject cross-topic [[wikilinks]]
+python3 scripts/build_knowledge_graph.py   # regenerate 3D knowledge graph (docs/index.html)
+python3 scripts/validate_content.py        # frontmatter, naming, links, index freshness
 ```
 
-Both are stdlib-only Python 3.11+ - nothing to install.
+All are stdlib-only Python 3.11+ - nothing to install.
 
 Then run the two Markdown checks CI runs. Neither needs a `package.json`; `npx` fetches them on demand:
 

diff --git a/README.md b/README.md
@@ -9,19 +9,32 @@ Role tracks: **DevOps** (junior → senior) · **DevSecOps** · **SecOps** · **
 Every answer gives you a short answer you can say out loud, the detail and trade-offs behind it, a runnable example, and the follow-ups to expect.
 
 [![Validate](https://github.com/mchittineni/ultimate-devops-guide/actions/workflows/validate-and-format.yml/badge.svg)](https://github.com/mchittineni/ultimate-devops-guide/actions/workflows/validate-and-format.yml)
+[![Deploy Knowledge Graph](https://github.com/mchittineni/ultimate-devops-guide/actions/workflows/knowledge-graph.yml/badge.svg)](https://github.com/mchittineni/ultimate-devops-guide/actions/workflows/knowledge-graph.yml)
 ![Questions](https://img.shields.io/badge/questions-507-blue)
 ![Topics](https://img.shields.io/badge/topics-40-blueviolet)
 ![Difficulty](https://img.shields.io/badge/difficulty-🟢%20110%20·%20🟡%20233%20·%20🔴%20164-lightgrey)
 ![License](https://img.shields.io/badge/license-MIT-green)
 
-[Pick your role](#-pick-your-role) · [Browse topics](#-browse-all-topics) · [All questions](#-all-questions) · [How answers are structured](#-how-answers-are-structured) · [Contributing](./CONTRIBUTING.md)
+[🌐 3D Knowledge Graph](https://mchittineni.github.io/ultimate-devops-guide/) · [Pick your role](#-pick-your-role) · [Browse topics](#-browse-all-topics) · [All questions](#-all-questions) · [How answers are structured](#-how-answers-are-structured) · [Contributing](./CONTRIBUTING.md)
 
 ⭐ Star the project if it helps you land the role.
 
 </div>
 
 ---
 
+## 🌐 3D DevOps Knowledge Graph
+
+Explore the entire repository visually through our **Interactive 3D Telemetry Graph** deployed on GitHub Pages:
+
+👉 **[Launch Interactive 3D Knowledge Graph](https://mchittineni.github.io/ultimate-devops-guide/)**
+
+- **Visual Infrastructure Mapping**: Explore relationship edges connecting all 500+ questions across 40 topics.
+- **Cross-Topic Concept Wikilinks**: Discover cross-cutting concepts between Docker, Kubernetes, CI/CD, IaC, and SRE.
+- **Filterable Telemetry**: Filter nodes live by difficulty, domain group, or specific keywords.
+
+---
+
 ## 🚀 Pick your role
 
 Thirteen tracks, each a reading order rather than a pile of links. Start at the left and work right.

diff --git a/advanced-devops-cloud/what-is-a-playbook-in-incident-response.md b/advanced-devops-cloud/what-is-a-playbook-in-incident-response.md
@@ -44,6 +44,16 @@ tags:
 - Decision authority ("who can declare, who can approve failover") is what playbooks uniquely provide.
 - Mention regulatory notification deadlines for security incidents; it shows breadth beyond the technical.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is DevOps?]] (`#1`): [What is DevOps?](../core-devops-concepts/what-is-devops.md)
+- [[What is Continuous Delivery?]] (`#4`): [What is Continuous Delivery?](../core-devops-concepts/what-is-continuous-delivery.md)
+- [[What is Docker?]] (`#6`): [What is Docker?](../docker/what-is-docker.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-a-runbook.md b/advanced-devops-cloud/what-is-a-runbook.md
@@ -70,6 +70,16 @@ Not resolved in 20 minutes → page the platform on-call (#incident channel).
 - Linking runbooks directly from alert annotations is the practical detail that shows experience.
 - Note that runbooks decay - validating them during game days is how you keep them true.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is DevOps?]] (`#1`): [What is DevOps?](../core-devops-concepts/what-is-devops.md)
+- [[What are the benefits of DevOps?]] (`#2`): [What are the benefits of DevOps?](../core-devops-concepts/what-are-the-benefits-of-devops.md)
+- [[What is Continuous Integration?]] (`#3`): [What is Continuous Integration?](../core-devops-concepts/what-is-continuous-integration.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-a-self-healing-system.md b/advanced-devops-cloud/what-is-a-self-healing-system.md
@@ -39,6 +39,16 @@ tags:
 - Kubernetes reconciliation is the canonical example; explain the control loop rather than naming the feature.
 - Graceful shutdown and idempotency as prerequisites shows you understand what makes it safe.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is DevOps?]] (`#1`): [What is DevOps?](../core-devops-concepts/what-is-devops.md)
+- [[What are the benefits of DevOps?]] (`#2`): [What are the benefits of DevOps?](../core-devops-concepts/what-are-the-benefits-of-devops.md)
+- [[What is Continuous Deployment?]] (`#5`): [What is Continuous Deployment?](../core-devops-concepts/what-is-continuous-deployment.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-a-service-catalog.md b/advanced-devops-cloud/what-is-a-service-catalog.md
@@ -38,6 +38,16 @@ tags:
 - Deployment gated on registration is a strong enforcement mechanism worth naming.
 - Scorecards turning a catalogue into a driver of standards is the mature use case.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is DevOps?]] (`#1`): [What is DevOps?](../core-devops-concepts/what-is-devops.md)
+- [[What is Continuous Delivery?]] (`#4`): [What is Continuous Delivery?](../core-devops-concepts/what-is-continuous-delivery.md)
+- [[What is CI/CD Pipeline?]] (`#16`): [What is CI/CD Pipeline?](../cicd/what-is-ci-cd-pipeline.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-a-service-level-agreement-sla.md b/advanced-devops-cloud/what-is-a-service-level-agreement-sla.md
@@ -42,6 +42,16 @@ tags:
 - Note that service credits rarely compensate the actual business loss - SLAs are not insurance.
 - The measurement definition and exclusions matter more than the percentage; saying so shows commercial awareness.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is Continuous Delivery?]] (`#4`): [What is Continuous Delivery?](../core-devops-concepts/what-is-continuous-delivery.md)
+- [[What is CI/CD Pipeline?]] (`#16`): [What is CI/CD Pipeline?](../cicd/what-is-ci-cd-pipeline.md)
+- [[What are Jenkins Pipelines?]] (`#18`): [What are Jenkins Pipelines?](../cicd/what-are-jenkins-pipelines.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-a-service-level-indicator-sli.md b/advanced-devops-cloud/what-is-a-service-level-indicator-sli.md
@@ -40,6 +40,16 @@ tags:
 - Latency as "proportion under a threshold" rather than a percentile is a subtle differentiator.
 - Discuss the measurement point; measuring inside the application misses whole categories of user-visible failure.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is DevOps?]] (`#1`): [What is DevOps?](../core-devops-concepts/what-is-devops.md)
+- [[What are the benefits of DevOps?]] (`#2`): [What are the benefits of DevOps?](../core-devops-concepts/what-are-the-benefits-of-devops.md)
+- [[What is Continuous Deployment?]] (`#5`): [What is Continuous Deployment?](../core-devops-concepts/what-is-continuous-deployment.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-a-service-level-objective-slo.md b/advanced-devops-cloud/what-is-a-service-level-objective-slo.md
@@ -35,6 +35,16 @@ tags:
 - "100% is the wrong target" plus the cost-curve reasoning is the SRE point to land.
 - Mention reviewing SLOs periodically; a target set once and never revisited stops reflecting reality.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is CI/CD Pipeline?]] (`#16`): [What is CI/CD Pipeline?](../cicd/what-is-ci-cd-pipeline.md)
+- [[What are Jenkins Pipelines?]] (`#18`): [What are Jenkins Pipelines?](../cicd/what-are-jenkins-pipelines.md)
+- [[How do you use Jenkins shared libraries?]] (`#268`): [How do you use Jenkins shared libraries?](../cicd/how-do-you-use-jenkins-shared-libraries.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-a-service-mesh-control-plane.md b/advanced-devops-cloud/what-is-a-service-mesh-control-plane.md
@@ -35,6 +35,16 @@ tags:
 - Fail-static behaviour during control-plane downtime is the detail that demonstrates operational depth.
 - Certificate issuance and rotation is the control plane's most valuable function - do not reduce it to routing.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is DevOps?]] (`#1`): [What is DevOps?](../core-devops-concepts/what-is-devops.md)
+- [[What is Continuous Integration?]] (`#3`): [What is Continuous Integration?](../core-devops-concepts/what-is-continuous-integration.md)
+- [[What is Continuous Delivery?]] (`#4`): [What is Continuous Delivery?](../core-devops-concepts/what-is-continuous-delivery.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-a-sidecar-pattern.md b/advanced-devops-cloud/what-is-a-sidecar-pattern.md
@@ -56,6 +56,16 @@ spec:
 - Multiply the overhead by pod count to show scale awareness.
 - Mention ambient mesh and eBPF as the emerging alternative - it demonstrates you are current.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is Jenkins?]] (`#17`): [What is Jenkins?](../cicd/what-is-jenkins.md)
+- [[What is GitLab CI?]] (`#19`): [What is GitLab CI?](../cicd/what-is-gitlab-ci.md)
+- [[How do you use Jenkins shared libraries?]] (`#268`): [How do you use Jenkins shared libraries?](../cicd/how-do-you-use-jenkins-shared-libraries.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-blue-green-deployment.md b/advanced-devops-cloud/what-is-blue-green-deployment.md
@@ -41,6 +41,16 @@ tags:
 - Contrast with canary on rollback speed versus blast radius; that trade-off is the interesting part.
 - Mention connection draining and background jobs; they are what actually break in practice.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is DevOps?]] (`#1`): [What is DevOps?](../core-devops-concepts/what-is-devops.md)
+- [[What are the benefits of DevOps?]] (`#2`): [What are the benefits of DevOps?](../core-devops-concepts/what-are-the-benefits-of-devops.md)
+- [[What is Continuous Integration?]] (`#3`): [What is Continuous Integration?](../core-devops-concepts/what-is-continuous-integration.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-canary-analysis.md b/advanced-devops-cloud/what-is-canary-analysis.md
@@ -61,6 +61,16 @@ spec:
 - Statistical significance and warm-up periods show you have tuned this, not just enabled it.
 - Include a business metric in the analysis - it is what catches the failures monitoring misses.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What are the benefits of DevOps?]] (`#2`): [What are the benefits of DevOps?](../core-devops-concepts/what-are-the-benefits-of-devops.md)
+- [[What is Continuous Integration?]] (`#3`): [What is Continuous Integration?](../core-devops-concepts/what-is-continuous-integration.md)
+- [[What is Continuous Delivery?]] (`#4`): [What is Continuous Delivery?](../core-devops-concepts/what-is-continuous-delivery.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-chaos-engineering.md b/advanced-devops-cloud/what-is-chaos-engineering.md
@@ -38,6 +38,16 @@ tags:
 - The abort condition and stop button are the safety details interviewers listen for.
 - "Do not start chaos engineering before you have observability" is a mature caveat.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is DevOps?]] (`#1`): [What is DevOps?](../core-devops-concepts/what-is-devops.md)
+- [[What are the benefits of DevOps?]] (`#2`): [What are the benefits of DevOps?](../core-devops-concepts/what-are-the-benefits-of-devops.md)
+- [[What is Continuous Integration?]] (`#3`): [What is Continuous Integration?](../core-devops-concepts/what-is-continuous-integration.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-feature-flagging.md b/advanced-devops-cloud/what-is-feature-flagging.md
@@ -46,6 +46,16 @@ return enabled ? newCheckout(cart) : legacyCheckout(cart); // default false = sa
 - Flag debt and expiry dates is the operational reality most candidates omit.
 - A safe default when the flag service is unreachable is a small detail that shows production thinking.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What are the benefits of DevOps?]] (`#2`): [What are the benefits of DevOps?](../core-devops-concepts/what-are-the-benefits-of-devops.md)
+- [[What is Continuous Integration?]] (`#3`): [What is Continuous Integration?](../core-devops-concepts/what-is-continuous-integration.md)
+- [[What is Continuous Delivery?]] (`#4`): [What is Continuous Delivery?](../core-devops-concepts/what-is-continuous-delivery.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-finops.md b/advanced-devops-cloud/what-is-finops.md
@@ -35,6 +35,16 @@ tags:
 - Unit economics over absolute spend is the insight that separates FinOps from cost-cutting.
 - Infracost in pull requests is a concrete, modern practice worth naming.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is DevOps?]] (`#1`): [What is DevOps?](../core-devops-concepts/what-is-devops.md)
+- [[What are the benefits of DevOps?]] (`#2`): [What are the benefits of DevOps?](../core-devops-concepts/what-are-the-benefits-of-devops.md)
+- [[What is Continuous Integration?]] (`#3`): [What is Continuous Integration?](../core-devops-concepts/what-is-continuous-integration.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-github-actions.md b/advanced-devops-cloud/what-is-github-actions.md
@@ -67,6 +67,16 @@ jobs:
 - Pinning actions to a SHA is a supply-chain detail that distinguishes serious users.
 - Environments with required reviewers is how approval gates are done properly - not a manual step in a script.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is DevOps?]] (`#1`): [What is DevOps?](../core-devops-concepts/what-is-devops.md)
+- [[What is CI/CD Pipeline?]] (`#16`): [What is CI/CD Pipeline?](../cicd/what-is-ci-cd-pipeline.md)
+- [[What is Jenkins?]] (`#17`): [What is Jenkins?](../cicd/what-is-jenkins.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-infrastructure-drift.md b/advanced-devops-cloud/what-is-infrastructure-drift.md
@@ -53,6 +53,16 @@ terraform plan -detailed-exitcode -lock=false
 - Emphasise process alongside tooling: break-glass access with mandatory reconciliation afterwards.
 - Note that automatic reconciliation is not always safe - reverting a fix during an incident is a real risk.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is DevOps?]] (`#1`): [What is DevOps?](../core-devops-concepts/what-is-devops.md)
+- [[What are the benefits of DevOps?]] (`#2`): [What are the benefits of DevOps?](../core-devops-concepts/what-are-the-benefits-of-devops.md)
+- [[What is Continuous Delivery?]] (`#4`): [What is Continuous Delivery?](../core-devops-concepts/what-is-continuous-delivery.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)
diff --git a/advanced-devops-cloud/what-is-observability.md b/advanced-devops-cloud/what-is-observability.md
@@ -41,6 +41,16 @@ The pillars framing is useful but incomplete. What actually delivers observabili
 - Cardinality as the enabler of observability - and the enemy of Prometheus - is a nuanced point worth making.
 - OpenTelemetry plus correlation IDs is the concrete implementation answer.
 
+<!-- BEGIN GENERATED RELATED TOPICS -->
+
+## Related Concepts
+
+- [[What is DevOps?]] (`#1`): [What is DevOps?](../core-devops-concepts/what-is-devops.md)
+- [[What are the benefits of DevOps?]] (`#2`): [What are the benefits of DevOps?](../core-devops-concepts/what-are-the-benefits-of-devops.md)
+- [[What is Continuous Delivery?]] (`#4`): [What is Continuous Delivery?](../core-devops-concepts/what-is-continuous-delivery.md)
+
+<!-- END GENERATED RELATED TOPICS -->
+
 ---
 
 [⬅ Back to Advanced DevOps & Cloud](./README.md) · [All topics](../README.md)