Remove .env file and enhance SSL error handling in server configuration

server.js

@@ -68,11 +68,30 @@ const server = serverConfig.useSSL && sslConfig
   ? https.createServer(sslConfig, app)
   : http.createServer(app);
 
+// Handle server errors
+server.on('error', (err) => {
+  if (err.code === 'EADDRINUSE') {
+    console.error(`❌ Port ${serverConfig.port} is already in use`);
+    console.error('   Please stop the other process or use a different port');
+  } else if (err.code === 'ECONNREFUSED') {
+    console.error(`❌ Connection refused on ${serverConfig.host}:${serverConfig.port}`);
+    console.error('   Check if the port is accessible');
+  } else {
+    console.error('❌ Server error:', err);
+  }
+  process.exit(1);
+});
+
 const protocol = serverConfig.useSSL && sslConfig ? 'https' : 'http';
 const sslNote = serverConfig.useSSL && sslConfig ? '(Direct SSL)' : '(SSL via Traefik/Reverse Proxy)';
 
 // Start server
-server.listen(serverConfig.port, serverConfig.host, () => {
+server.listen(serverConfig.port, serverConfig.host, (err) => {
+  if (err) {
+    console.error('Failed to start server:', err);
+    process.exit(1);
+  }
+  
   console.log('╔════════════════════════════════════════════════════════════╗');
   console.log('║     Screenshot Service - Unified Application Started      ║');
   console.log('╚════════════════════════════════════════════════════════════╝');