cube-ms/templates/api/src/routes/health.routes.js

Production-ready microservice framework with health monitoring, validation, error handling, and Docker Swarm support

/**
 * Health check routes
 */
export function setupHealthRoutes(service) {
  // Basic health check
  service.addRoute('get', '/health', (req, res, logger) => {
    logger.debug('Health check requested');
    
    res.json({
      success: true,
      status: 'healthy',
      timestamp: new Date().toISOString(),
      uptime: process.uptime(),
      memory: process.memoryUsage(),
      pid: process.pid
    });
  });

  // Detailed health check with database status
  service.addRoute('get', '/health/detailed', async (req, res, logger) => {
    logger.debug('Detailed health check requested');
    
    try {
      const dbStatus = await checkDatabaseHealth(service);
      
      res.json({
        success: true,
        status: 'healthy',
        timestamp: new Date().toISOString(),
        uptime: process.uptime(),
        memory: process.memoryUsage(),
        database: dbStatus,
        pid: process.pid,
        version: process.version
      });
    } catch (error) {
      logger.error('Health check failed', error);
      res.status(503).json({
        success: false,
        status: 'unhealthy',
        error: error.message,
        timestamp: new Date().toISOString()
      });
    }
  });
}

/**
 * Check database connectivity
 */
async function checkDatabaseHealth(service) {
  try {
    const db = service.getDatabase();
    if (!db) {
      return { status: 'disconnected', message: 'Database not configured' };
    }
    
    // Simple ping to check connection
    await db.admin().ping();
    return { 
      status: 'connected', 
      name: db.databaseName,
      timestamp: new Date().toISOString()
    };
  } catch (error) {
    return { 
      status: 'error', 
      message: error.message,
      timestamp: new Date().toISOString()
    };
  }
}