@spaik/mcp-server-roi/healthcheck.js

MCP server for AI ROI prediction and tracking with Monte Carlo simulations

#!/usr/bin/env node

/**
 * Health check script for Docker and monitoring systems
 * Exit codes:
 * 0 - Healthy
 * 1 - Unhealthy
 */

import { createClient } from '@supabase/supabase-js';
import dotenv from 'dotenv';

// Load environment variables
dotenv.config();

async function checkHealth() {
  const checks = {
    environment: false,
    database: false,
    apis: false
  };
  
  try {
    // Check 1: Environment variables
    console.log('Checking environment variables...');
    if (process.env.SUPABASE_URL && process.env.SUPABASE_ANON_KEY) {
      checks.environment = true;
      console.log('✓ Environment variables configured');
    } else {
      console.error('✗ Missing required environment variables');
      return false;
    }
    
    // Check 2: Database connectivity
    console.log('Checking database connectivity...');
    const supabase = createClient(
      process.env.SUPABASE_URL,
      process.env.SUPABASE_ANON_KEY,
      {
        auth: {
          persistSession: false,
          autoRefreshToken: false
        }
      }
    );
    
    const { error } = await supabase
      .from('projects')
      .select('count')
      .limit(1);
    
    if (!error) {
      checks.database = true;
      console.log('✓ Database connection successful');
    } else {
      console.error('✗ Database connection failed:', error.message);
      return false;
    }
    
    // Check 3: API keys configured
    console.log('Checking API configurations...');
    if (process.env.PERPLEXITY_API_KEY) {
      checks.apis = true;
      console.log('✓ API keys configured');
    } else {
      console.warn('⚠ Perplexity API key not configured (optional but recommended)');
      checks.apis = true; // Not critical
    }
    
    // Overall health
    const isHealthy = Object.values(checks).every(check => check);
    
    if (isHealthy) {
      console.log('\n✓ Health check PASSED');
      return true;
    } else {
      console.log('\n✗ Health check FAILED');
      return false;
    }
    
  } catch (error) {
    console.error('Health check error:', error);
    return false;
  }
}

// Run health check
checkHealth().then(isHealthy => {
  process.exit(isHealthy ? 0 : 1);
}).catch(() => {
  process.exit(1);
});