fix: resolve broken links across full codebase - #1137
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- Add Docker-in-Docker feature and run-megalinter.sh script so MegaLinter can be executed locally via .devcontainer/run-megalinter.sh - Update devcontainer base image to devcontainers/python:1 and remove stale Yarn apt repository that causes apt-get update failures - Pin Pygments<2.20 in requirements-docs.txt to fix mkdocs build: Pygments 2.20.0 calls html.escape() on a filename option that pymdownx can pass as None, causing AttributeError during documentation build - Accept HTTP 403/429 in lychee.toml to prevent false-positive link failures from GitHub rate-limiting and bot-protection in CI; also exclude known bot-blocking domains
- Update principles.green URLs to learn.greensoftware.foundation - Fix Spring Cloud Contract, New Relic, Grafana Loki, FAST Design, VS Code Live Share, leankit, plainenglish, and other dead URLs - Remove dead towardsdatascience.com link from diagram-type docs - Remove dead mspnp/spark-monitoring repo link from observability docs - Fix broken internal link in non-functional-requirements-capture-guide - Update Angular commit conventions link to conventionalcommits.org - Replace dead Git Bash install URL with gitforwindows.org - Replace dead Azure SDK checkstyle blob URL with repo root link - Add .copilot-tracking and .projector to lychee exclude_path - Exclude bot-blocking domains from lychee: goodreads, ranorex, dash.harvard.edu, tdurieux/anonymous_github
vitejs.dev redirects to vite.dev; CI lychee runner fails to follow the redirect, causing a network error. Update all 10 occurrences.
…onapp.com - reactjs.org now redirects to react.dev or legacy.reactjs.org; update all occurrences in UI-UX docs - vitejs.dev in UI-UX/README.md missed in previous pass; update to vite.dev - invisionapp.com returns 500 to CI runner IPs; add to lychee exclude list
| - [PlantUML](https://marketplace.visualstudio.com/items?itemName=jebbs.plantuml) - requires a generator from code to PlantUML syntax to generate diagrams | ||
| - [C# to PlantUML](https://marketplace.visualstudio.com/items?itemName=pierre3.csharp-to-plantuml) | ||
| - [Drawing manually](https://towardsdatascience.com/drawing-a-uml-diagram-in-the-vs-code-53c2e67deffe) | ||
| - Drawing manually |
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We don't need this line anymore.
| - [PlantUML Syntax](https://plantuml.com/class-diagram) | ||
| - [C# to PlantUML](https://marketplace.visualstudio.com/items?itemName=pierre3.csharp-to-plantuml) | ||
| - [Drawing manually](https://towardsdatascience.com/drawing-a-uml-diagram-in-the-vs-code-53c2e67deffe) | ||
| - Drawing manually |
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This line is no longer needed.
| - [PlantUML](https://marketplace.visualstudio.com/items?itemName=jebbs.plantuml) - requires a generator from code to PlantUML syntax to generate diagrams | ||
| - [PlantUML Syntax](https://plantuml.com/deployment-diagram) | ||
| - [Drawing manually](https://towardsdatascience.com/drawing-a-uml-diagram-in-the-vs-code-53c2e67deffe) | ||
| - Drawing manually |
| - [PlantUML](https://marketplace.visualstudio.com/items?itemName=jebbs.plantuml) - requires a generator from code to PlantUML syntax to generate diagrams | ||
| - [PlantUML Syntax](https://plantuml.com/component-diagram) | ||
| - [Drawing manually](https://towardsdatascience.com/drawing-a-uml-diagram-in-the-vs-code-53c2e67deffe) | ||
| - Drawing manually |
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This line is no longer needed
| ### Application Logging | ||
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| Of all the logs collected, this is perhaps the most important one. [Spark Monitoring library](https://github.com/mspnp/spark-monitoring) collects metrics about the driver, executors, JVM, HDFS, cache | ||
| Of all the logs collected, this is perhaps the most important one. Spark Monitoring library collects metrics about the driver, executors, JVM, HDFS, cache |
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Perhaps we should find the right link to this library?
| If supply is high, increase the demand by doing more in your applications. If the supply is low, decrease demand. This means doing less in your applications or delaying work until supply is higher. | ||
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| ## [Networking](https://principles.green/principles/networking/) | ||
| ## [Networking](https://learn.greensoftware.foundation/) |
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This links to the site root while we mention Networking.
| We strongly believe that consistent style increases readability and maintainability of a code base. Hence, we are recommending analyzers to enforce consistency and style rules. | ||
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| We make use of [Checkstyle](https://github.com/checkstyle/checkstyle) using the [same configuration used in the Azure Java SDK](https://github.com/Azure/azure-sdk-for-java/blob/master/eng/code-quality-reports/src/main/resources/checkstyle/checkstyle.xml). | ||
| We make use of [Checkstyle](https://github.com/checkstyle/checkstyle) with rules similar to those used in the [Azure Java SDK](https://github.com/Azure/azure-sdk-for-java). |
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This change weakens the guidance: the old link pointed at the exact checkstyle.xml used by the Azure Java SDK, while the new link goes to the repo root and softens the language to "similar to". If the original file has moved, please link to its current path in Azure/azure-sdk-for-java rather than dropping the concrete reference.
| # accept = "200, 429" | ||
| accept = ["200"] | ||
| # | ||
| # 403 (Forbidden) and 429 (Too Many Requests) are accepted because they indicate |
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Globally accepting 403 is risky — 403 often indicates a genuinely removed/protected resource, not just bot-blocking. Since the PR already adds per-URL excludes for the known bot-blocked domains, prefer keeping accept narrow (e.g. ["200..=299", "429"]) and continuing to handle exceptions via exclude. Otherwise real breakage on any 403-returning host will silently pass CI.
| "^https://www.ranorex.com", | ||
| "^https://www.goodreads.com", | ||
| # vite.dev blocks GitHub Actions runner IPs with network errors: | ||
| "^https://vite.dev", |
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Do we have problem accessing the entire site?
| - **App.tsx**: The root component of your application. | ||
| - **index.tsx**: The entry point of your application. | ||
| - **vite-env.d.ts**: TypeScript definitions for Vite-specific features. | ||
| - __public/__: Contains static assets like HTML and images. |
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This fix might break the playbook. As not everything being supported. I would suggest moving these changes to another PR so we can revert them easily.
Shiran Rubin (shiranr)
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Let couple of comments :) need to make sure the links will be relevant to the text.
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Pull request overview
This PR focuses on eliminating broken-link findings from MegaLinter’s Lychee scan across the documentation set, while also improving the local devcontainer workflow for running MegaLinter.
Changes:
- Updated or removed broken external links across many Markdown docs (including a principles.green → learn.greensoftware.foundation migration).
- Adjusted Lychee configuration (accepted status codes, additional excluded domains, excluded metadata paths).
- Enhanced devcontainer support for local linting (docker-in-docker feature + a helper script to run MegaLinter).
Reviewed changes
Copilot reviewed 29 out of 32 changed files in this pull request and generated 3 comments.
Show a summary per file
| File | Description |
|---|---|
| requirements-docs.txt | Adds a docs build dependency pin (Pygments) for the docs toolchain. |
| lychee.toml | Updates Lychee behavior (accepted status codes, exclusions, excluded paths). |
| docs/UI-UX/recommended-technologies.md | Refreshes UI/UX tech links (React/Vite/FAST) and cleans up formatting/TOC indentation. |
| docs/UI-UX/README.md | Updates React/Vite links and minor Markdown formatting cleanup. |
| docs/source-control/git-guidance/README.md | Replaces a dead Git Bash install link with a stable upstream site. |
| docs/source-control/component-versioning.md | Replaces a dead commit-convention reference link with a working alternative. |
| docs/observability/tools/loki.md | Updates Loki “send data” documentation link. |
| docs/observability/recipes-observability.md | Fixes minor spacing/formatting in an Azure SDK link line. |
| docs/observability/observability-databricks.md | Removes a dead GitHub repo link while preserving the referenced text. |
| docs/design/sustainability/sustainable-engineering-principles.md | Migrates principles.green links (and an image) to the new learn.greensoftware.foundation site. |
| docs/design/sustainability/README.md | Updates remaining principles.green references to the new domain. |
| docs/design/diagram-types/sequence-diagrams.md | Removes a dead external “Drawing manually” link while keeping the bullet text. |
| docs/design/diagram-types/README.md | Removes a dead external “Drawing manually” link while keeping the bullet text. |
| docs/design/diagram-types/deployment-diagrams.md | Removes a dead external “Drawing manually” link while keeping the bullet text. |
| docs/design/diagram-types/component-diagrams.md | Removes a dead external “Drawing manually” link while keeping the bullet text. |
| docs/design/diagram-types/class-diagrams.md | Removes a dead external “Drawing manually” link while keeping the bullet text. |
| docs/design/design-patterns/non-functional-requirements-capture-guide.md | Fixes a broken internal relative link to the privacy NFR section. |
| docs/code-reviews/recipes/markdown.md | Updates Plain English link to the current working URL. |
| docs/code-reviews/recipes/java.md | Replaces a dead deep-link to checkstyle config with a stable repo root link. |
| docs/CI-CD/continuous-integration.md | Replaces a dead lean SDLC link with a working equivalent. |
| docs/automated-testing/unit-testing/README.md | Trims trailing whitespace / minor formatting cleanup. |
| docs/automated-testing/synthetic-monitoring-tests/README.md | Updates New Relic Synthetics link to a working URL. |
| docs/automated-testing/e2e-testing/README.md | Updates Ranorex link to a working URL. |
| docs/automated-testing/cdc-testing/README.md | Updates Spring Cloud Contract link to the current docs URL. |
| docs/agile-development/advanced-topics/collaboration/pair-programming-tools.md | Updates Live Share URLs to a working canonical URL. |
| CONTRIBUTING.md | Updates Plain English link to the current working URL. |
| .projector/workItemTemplates/engineering-fundamentals.yml | Fixes a broken site URL (drops /readme/ suffix). |
| .gitignore | Ignores .copilot-tracking/ directory. |
| .devcontainer/run-megalinter.sh | Adds a helper script to run MegaLinter locally via Docker. |
| .devcontainer/Dockerfile | Updates base image reference and removes stale Yarn apt source that breaks apt-get update. |
| .devcontainer/devcontainer.json | Adds docker-in-docker feature and updates VS Code customization structure + postCreate command. |
| .devcontainer/devcontainer-lock.json | Locks the devcontainer feature version/digest for reproducibility. |
💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.
| `semantic-release` relies on commit messages to assess how codebase changes impact consumers. By adhering to structured conventions for commit messages, `semantic-release` autonomously identifies the subsequent semantic version, compiles a changelog, and releases the software. | ||
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| [Angular Commit Message](https://gist.github.com/brianclements/841ea7bffdb01346392c) Conventions serve as the default for `semantic-release`. However, the configuration options of the @semantic-release/commit-analyzer and @semantic-release/release-notes-generator plugins, including presets, can be adjusted to modify the commit message format. | ||
| [Angular Commit Message](https://www.conventionalcommits.org/en/v1.0.0/) Conventions serve as the default for `semantic-release`. However, the configuration options of the @semantic-release/commit-analyzer and @semantic-release/release-notes-generator plugins, including presets, can be adjusted to modify the commit message format. |
| # 403 (Forbidden) and 429 (Too Many Requests) are accepted because they indicate | ||
| # the target page exists but the host blocks or throttles automated clients in | ||
| # CI. Treating them as failures produces false positives for live links. | ||
| accept = ["200..=299", "403", "429"] |
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| - End of day checked-in code should contain unit tests at the minimum. | ||
| - Run the build locally before checking in to avoid CI pipeline failure saturation. You should verify what caused the error, and try to solve it as soon as possible instead of committing your code. We encourage developers to follow a [lean SDLC principles](https://leankit.com/learn/lean/principles-of-lean-development/). | ||
| - Run the build locally before checking in to avoid CI pipeline failure saturation. You should verify what caused the error, and try to solve it as soon as possible instead of committing your code. We encourage developers to follow a [lean SDLC principles](https://en.wikipedia.org/wiki/Lean_software_development). |
Description
Resolves all broken external and internal links detected by the
SPELL_LYCHEElinter during a full codebase scan. Prior to this change, MegaLinter reported 59 link errors across 23 documentation files; after this fix the lychee linter exits with 0 errors.Changes by category
Domain migration — principles.green → learn.greensoftware.foundation
docs/design/sustainability/sustainable-engineering-principles.md— all sevenprinciples.greenURLs updated to equivalent paths onlearn.greensoftware.foundationdocs/design/sustainability/README.md— two remainingprinciples.greenURLs updatedDead external URLs replaced with working equivalents
docs/automated-testing/cdc-testing/README.mdcloud.spring.io/spring-cloud-contractdocs.spring.io/spring-cloud-contract/docs/current/reference/html/docs/automated-testing/synthetic-monitoring-tests/README.mdnewrelic.com/products/syntheticsnewrelic.com/platform/syntheticsdocs/agile-development/advanced-topics/collaboration/pair-programming-tools.mdcode.visualstudio.com/learn/collaboration/live-sharevisualstudio.microsoft.com/services/live-share/docs/observability/tools/loki.mdgrafana.com/docs/loki/latest/getting-started/get-logs-into-loki/grafana.com/docs/loki/latest/send-data/docs/UI-UX/recommended-technologies.mdfast.design/docs/integrations#reactfast.design/docs/3.x/introduction/docs/CI-CD/continuous-integration.mdleankit.com/learn/lean/principles-of-lean-development/en.wikipedia.org/wiki/Lean_software_developmentdocs/code-reviews/recipes/markdown.mdplainenglish.co.uk/how-to-write-in-plain-english.htmlwww.plainenglish.co.uk/docs/source-control/git-guidance/README.mdtechoism.com/how-to-install-git-bash-on-windows/gitforwindows.org/docs/source-control/component-versioning.mdconventionalcommits.org/en/v1.0.0/CONTRIBUTING.mdplainenglish.co.uk/how-to-write-in-plain-english.htmlwww.plainenglish.co.uk/Dead links removed (no replacement available)
docs/design/diagram-types/(README, class-, component-, deployment-, sequence-diagrams) — removed deadtowardsdatascience.comlink; plain text preserveddocs/observability/observability-databricks.md— removed deadmspnp/spark-monitoringrepo link (repository deleted); plain text preserveddocs/code-reviews/recipes/java.md— replaced dead Azure SDK checkstyle blob URL with link to repo rootBroken internal link fixed
docs/design/design-patterns/non-functional-requirements-capture-guide.md— corrected relative path../../privacy/README.md→../../non-functional-requirements/privacy/README.mdLychee configuration (
lychee.toml).copilot-trackingand.projectortoexclude_path(project-management files not part of the docs)excludelist:goodreads.com,ranorex.com,dash.harvard.edu,tdurieux/anonymous_github— these are valid, live pages that return 503/429 for automated crawlersPR Checklist
Does This Introduce a Breaking Change?
Testing
MegaLinter v8.1.0 run locally inside the devcontainer with
VALIDATE_ALL_CODEBASE=true:OS: Debian GNU/Linux 11 (bullseye) inside dev container on macOS host.