refactor: project architecture refactor, container splitting

backend/main_backend.py

@@ -0,0 +1,28 @@
+import asyncio
+import logging
+import sys
+
+from dotenv import load_dotenv
+from startup_banner import print_startup_banner
+
+from app_logging import configure_logging
+from bot.main_bot import run_bot
+from config.settings import get_settings
+
+
+async def main() -> None:
+    settings = get_settings()
+    await run_bot(settings, run_web=True, run_tariff_worker=False)
+
+
+if __name__ == "__main__":
+    load_dotenv()
+    print_startup_banner("backend")
+    configure_logging()
+    try:
+        asyncio.run(main())
+    except (KeyboardInterrupt, SystemExit):
+        logging.info("Backend stopped")
+    except Exception as exc:
+        logging.critical("Backend failed: %s", exc, exc_info=True)
+        sys.exit(1)