Method startServer

src/app.js:198–230

(port, attempt = 0)

    });

    const startServer = (port, attempt = 0) => {
      let hasStartedListening = false;
      const server = app.listen(port, host, () => {
        hasStartedListening = true;
        this.webServer = server;
        startupLog(`✅ Web Server running on ${host}:${port}`);
        startupLog(`Health endpoint: http://${host}:${port}/health`);
        startupLog(`Ready endpoint: http://${host}:${port}/ready`);
      });

      server.on('error', (error) => {
        const errorCode = error?.code || 'UNKNOWN_ERROR';
        const errorMessage = error?.message || 'Unknown server error';

        if (!hasStartedListening && errorCode === 'EADDRINUSE' && attempt < maxPortRetryAttempts) {
          const nextPort = port + 1;
          startupLog(`Port ${port} is already in use. Trying port ${nextPort}...`);
          setTimeout(() => startServer(nextPort, attempt + 1), 250);
          return;
        }

        if (hasStartedListening && errorCode === 'EADDRINUSE') {
          logger.warn(`Web server reported a duplicate bind warning on ${host}:${port}, but the bot remains online.`);
          return;
        }

        logger.error(`❌ Web server error on port ${port} (${errorCode}): ${errorMessage}`);

        if (!hasStartedListening) {
          process.exit(1);
        }
      });
    };

    startServer(configuredPort, 0);
  }