config changes to make it not async

libs/config/src/index.ts

@@ -27,6 +27,62 @@ import { EnvLoader } from './loaders/env.loader';
 // Create singleton instance
 let configInstance: ConfigManager<AppConfig> | null = null;
 
+// Synchronously load critical env vars for early initialization
+function loadCriticalEnvVarsSync(): void {
+  // Load .env file synchronously if it exists
+  try {
+    const fs = require('fs');
+    const path = require('path');
+    const envPath = path.resolve(process.cwd(), '.env');
+    if (fs.existsSync(envPath)) {
+      const envContent = fs.readFileSync(envPath, 'utf-8');
+      const lines = envContent.split('\n');
+      
+      for (const line of lines) {
+        const trimmed = line.trim();
+        if (!trimmed || trimmed.startsWith('#')) continue;
+        
+        const equalIndex = trimmed.indexOf('=');
+        if (equalIndex === -1) continue;
+        
+        const key = trimmed.substring(0, equalIndex).trim();
+        let value = trimmed.substring(equalIndex + 1).trim();
+        
+        // Remove surrounding quotes
+        if ((value.startsWith('"') && value.endsWith('"')) || 
+            (value.startsWith("'") && value.endsWith("'"))) {
+          value = value.slice(1, -1);
+        }
+        
+        // Only set if not already set
+        if (!(key in process.env)) {
+          process.env[key] = value;
+        }
+      }
+    }
+  } catch (error) {
+    // Ignore errors - env file is optional
+  }
+}
+
+// Load critical env vars immediately
+loadCriticalEnvVarsSync();
+
+/**
+ * Initialize configuration synchronously (env vars only)
+ * This should be called at the very start of the application
+ */
+export function initializeConfigSync(): AppConfig {
+  if (!configInstance) {
+    configInstance = new ConfigManager<AppConfig>({
+      loaders: [
+        new EnvLoader(''), // Environment variables only for sync
+      ]
+    });
+  }
+  return configInstance.initializeSync(appConfigSchema);
+}
+
 /**
  * Initialize the global configuration
  */