Create Transcriber service health check

services/transcriber/src/healthcheck.js

@@ -0,0 +1,29 @@
+import { createClient } from 'redis';
+import { Client as PgClient } from 'pg';
+
+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();
+    
+    console.log('Health check passed');
+    process.exit(0);
+  } catch (error) {
+    console.error('Health check failed:', error.message);
+    process.exit(1);
+  }
+}
+
+healthCheck();