7d68f61b82
- Added `dotenv` and `prom-client` dependencies for environment variable management and metrics collection. - Updated `package.json` to include new dependencies and types for `dotenv`. - Enhanced `README.md` with bilingual features, usage instructions, and project structure. - Improved `app.config.ts` to validate environment variables using Zod. - Implemented graceful shutdown in `main.ts` for better service reliability. - Added metrics middleware and updated routes to include metrics endpoint. - Enhanced error handling middleware with detailed logging and responses. - Updated feature and health controllers with bilingual comments and improved structure.
36 lines
1.1 KiB
TypeScript
36 lines
1.1 KiB
TypeScript
import { Request, Response } from 'express';
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import { register } from 'prom-client';
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import { logger } from '@goodgo/logger';
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/**
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* EN: Controller for handling metrics requests
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* VI: Controller xử lý các request liên quan đến metrics
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*/
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export class MetricsController {
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/**
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* EN: Get current metrics in Prometheus format
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* VI: Lấy metrics hiện tại theo định dạng Prometheus
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*
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* @param _req - Express request (unused/chưa dùng)
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* @param res - Express response
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*/
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public async getMetrics(_req: Request, res: Response): Promise<void> {
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try {
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// EN: Set content type for Prometheus
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// VI: Thiết lập content type cho Prometheus
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res.set('Content-Type', register.contentType);
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// EN: Return metrics
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// VI: Trả về metrics
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res.end(await register.metrics());
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} catch (error) {
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// EN: Log error and return 500
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// VI: Ghi log lỗi và trả về 500
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logger.error('Error getting metrics', { error });
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res.status(500).send('Error getting metrics');
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}
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}
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}
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