There is my simplified code that causes problems env_path = "resources/.env" if os.path.exists(env_path): load_dotenv(env_path) else: raise ResourcesMissing('.env missing') tg_token_env = "resources/tg_token.env" if os.path.exists(tg_token_env): load_dotenv(tg_token_env) else: raise ResourcesMissing('tg_token.env missing') This code raises exception in docker but works fine on my win pc docker-compose.yml services: bot: build: . volumes: - ./media:/app/media:ro - ./resources:/app/resources:rw Dockerfile FROM python:3.13.5-slim WORKDIR /usr/src/app ENV CONTAINER=docker RUN mkdir -p /app/media RUN mkdir -p /app/resources RUN apt-get update RUN pip install --upgrade pip COPY . . [Installing dependencies] CMD ["python", "bot.py"] also i have .dockerignore file media/* resources/* I checked the Files tab on the Docker desktop and the container has mounted the files, but Python can't read them. files tab Im tried different formations of docker-compose.yml. Tried to pack .env file in image and it works but i need it in mount bind. Tried to define env_file in docker-compose.yml. I tried many things but always getting exception Continue reading...