const express = require('express');
const { getVersion } = require('../utils/version');
const router = express.Router();
/**
* Health check endpoint
*/
router.get('/', (req, res) => {
res.json({
status: 'healthy',
service: 'medikode-mcp-server',
version: getVersion(),
timestamp: new Date().toISOString(),
uptime: process.uptime(),
memory: process.memoryUsage(),
environment: process.env.NODE_ENV || 'development'
});
});
/**
* Detailed health check with dependencies
*/
router.get('/detailed', async (req, res) => {
const health = {
status: 'healthy',
service: 'medikode-mcp-server',
version: getVersion(),
timestamp: new Date().toISOString(),
uptime: process.uptime(),
memory: process.memoryUsage(),
environment: process.env.NODE_ENV || 'development',
dependencies: {}
};
// Check API service connectivity
try {
// Using built-in fetch (Node.js 24.7.0+)
const apiServiceUrl = process.env.API_SERVICE_URL || 'http://localhost:3001';
const response = await fetch(`${apiServiceUrl}/health`, {
method: 'GET',
timeout: 5000
});
health.dependencies.api_service = {
status: response.ok ? 'healthy' : 'unhealthy',
url: apiServiceUrl,
status_code: response.status
};
} catch (error) {
health.dependencies.api_service = {
status: 'unhealthy',
url: process.env.API_SERVICE_URL || 'http://localhost:3001',
error: error.message
};
}
// Check backend service connectivity
try {
// Using built-in fetch (Node.js 24.7.0+)
const backendServiceUrl = process.env.BACKEND_SERVICE_URL || 'http://localhost:3002';
const response = await fetch(`${backendServiceUrl}/health`, {
method: 'GET',
timeout: 5000
});
health.dependencies.backend_service = {
status: response.ok ? 'healthy' : 'unhealthy',
url: backendServiceUrl,
status_code: response.status
};
} catch (error) {
health.dependencies.backend_service = {
status: 'unhealthy',
url: process.env.BACKEND_SERVICE_URL || 'http://localhost:3002',
error: error.message
};
}
// Check SQLite database
try {
const { getUsageStats } = require('../database/usageLogger');
await getUsageStats('health-check', null, null);
health.dependencies.database = {
status: 'healthy',
type: 'sqlite'
};
} catch (error) {
health.dependencies.database = {
status: 'unhealthy',
type: 'sqlite',
error: error.message
};
}
// Determine overall health status
const unhealthyDeps = Object.values(health.dependencies).filter(dep => dep.status === 'unhealthy');
if (unhealthyDeps.length > 0) {
health.status = 'degraded';
}
const statusCode = health.status === 'healthy' ? 200 : 503;
res.status(statusCode).json(health);
});
module.exports = router;
