Create Dashboard service health check

services/dashboard/src/healthcheck.js

@@ -0,0 +1,52 @@
+import { createClient } from 'redis';
+import { Client as PgClient } from 'pg';
+import http from 'http';
+
+const POSTGRES_URL = process.env.POSTGRES_URL;
+const REDIS_URL = process.env.REDIS_URL || 'redis://redis:6379';
+
+async function healthCheck() {
+  try {
+    // Test PostgreSQL connection
+    const pgClient = new PgClient({ connectionString: POSTGRES_URL });
+    await pgClient.connect();
+    await pgClient.query('SELECT 1');
+    await pgClient.end();
+    
+    // Test Redis connection
+    const redisClient = createClient({ url: REDIS_URL });
+    await redisClient.connect();
+    await redisClient.ping();
+    await redisClient.quit();
+    
+    // Test web server
+    const options = {
+      hostname: 'localhost',
+      port: 3000,
+      path: '/health',
+      method: 'GET',
+      timeout: 5000
+    };
+    
+    const req = http.request(options, (res) => {
+      if (res.statusCode === 200) {
+        console.log('Health check passed');
+        process.exit(0);
+      } else {
+        throw new Error(`HTTP ${res.statusCode}`);
+      }
+    });
+    
+    req.on('error', (error) => {
+      throw error;
+    });
+    
+    req.end();
+    
+  } catch (error) {
+    console.error('Health check failed:', error.message);
+    process.exit(1);
+  }
+}
+
+healthCheck();