Refactor Dockerfile and main.py for improved environment variable handling and logging; update requirements.txt for package specifications

dtek_notif/Dockerfile

@@ -8,6 +8,6 @@ RUN pip install --no-cache-dir -r requirements.txt
 
 # Копирование кода
 COPY main.py .
-
+COPY .env .
 # Запуск бота
 CMD ["python", "-u", "main.py"]