Add or update Health-Check Endpoint in Glossary #78
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WalkthroughA new glossary entry, "Health-Check Endpoint: Essential Guide," has been added as a markdown file. This document explains the concept, implementation, and best practices for health-check endpoints in APIs, including code examples, historical context, FAQs, and security considerations. No code or public API changes were made. Changes
Estimated code review effort🎯 1 (Trivial) | ⏱️ ~2 minutes Suggested reviewers
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Actionable comments posted: 2
🧹 Nitpick comments (1)
apps/www/content/glossary/health-check-endpoint.mdx (1)
4-6: Populatecategoriesfront-matter to preserve site taxonomyThe
categories: []entry is left empty. Most glossary pages group themselves under at least one category (e.g.Observability,Monitoring,API-Design). Leaving it blank breaks the sidebar filtering and SEO breadcrumbs.
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apps/www/content/glossary/health-check-endpoint.mdx(1 hunks)
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apps/www/content/glossary/health-check-endpoint.mdx
| - The health check endpoint should return a standard HTTP status code, typically 200 for healthy and 500 for unhealthy. | ||
| - It should check the status of all critical dependencies of the API, such as database connections or external services. |
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🛠️ Refactor suggestion
Use the correct HTTP error code for “unhealthy” status
The guidance suggests returning 500 for an unhealthy service. The de-facto and IETF-draft convention is to return 503 Service Unavailable (sometimes 502/504 depending on upstream). Recommending 500 may mislead readers.
- - The health check endpoint should return a standard HTTP status code, typically 200 for healthy and 500 for unhealthy.
+ - The health check endpoint should return a standard HTTP status code, typically 200 for healthy and **503** for unhealthy.📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| - The health check endpoint should return a standard HTTP status code, typically 200 for healthy and 500 for unhealthy. | |
| - It should check the status of all critical dependencies of the API, such as database connections or external services. | |
| - The health check endpoint should return a standard HTTP status code, typically 200 for healthy and **503** for unhealthy. | |
| - It should check the status of all critical dependencies of the API, such as database connections or external services. |
🤖 Prompt for AI Agents
In apps/www/content/glossary/health-check-endpoint.mdx around lines 17 to 18,
update the documentation to recommend returning HTTP status code 503 Service
Unavailable instead of 500 for unhealthy service status, reflecting the correct
and widely accepted convention for health check endpoints.
| app.get('/health', (req, res) => { | ||
| const healthData = { | ||
| uptime: process.uptime(), | ||
| message: 'OK', | ||
| timestamp: Date.now() | ||
| }; | ||
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| res.send(healthData); |
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🛠️ Refactor suggestion
Align code sample with best-practice status handling
Earlier you emphasise returning proper HTTP status codes, yet the Express sample omits an explicit status call. Adding .status(200) (and .json for MIME clarity) prevents confusion.
- res.send(healthData);
+ res.status(200).json(healthData);📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| app.get('/health', (req, res) => { | |
| const healthData = { | |
| uptime: process.uptime(), | |
| message: 'OK', | |
| timestamp: Date.now() | |
| }; | |
| res.send(healthData); | |
| app.get('/health', (req, res) => { | |
| const healthData = { | |
| uptime: process.uptime(), | |
| message: 'OK', | |
| timestamp: Date.now() | |
| }; | |
| res.status(200).json(healthData); | |
| }); |
🤖 Prompt for AI Agents
In apps/www/content/glossary/health-check-endpoint.mdx around lines 75 to 82,
the Express health check endpoint sends a response without explicitly setting
the HTTP status code or content type. To align with best practices, modify the
response to use res.status(200).json(healthData) instead of
res.send(healthData). This explicitly sets the status code to 200 and clarifies
the response content type as JSON.
This PR adds or updates the Health-Check Endpoint.mdx file in the API documentation.
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