[Python] django daphne ModuleNotFoundError docker error

I got this error "ModuleNotFoundError: No module named 'project'" when I contarize my web app. I used Django with daphne. it's my settings here:

Dockerfile:

FROM python:3.11-slim

RUN apt-get update && apt-get install -y \
libpq-dev gcc curl \
&& apt-get clean \
&& rm -rf /var/lib/apt/lists/*

WORKDIR /backend

COPY requirements.txt /backend/

RUN pip install --no-cache-dir -r /backend/requirements.txt

COPY . /backend/

WORKDIR /backend/project

RUN python /backend/project/manage.py collectstatic --noinput

RUN chown -R www-data:www-data /backend

USER www-data

ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV PYTHONPATH="."
ENV DJANGO_SETTINGS_MODULE=project.settings

EXPOSE 8000

#CMD ["python","manage.py","runserver"]
CMD ["daphne", "-b", "0.0.0.0", "-p", "8000", "project.asgi:application"]


docker-compose:

version: '3.9'

services:
web:
build:
context: .
dockerfile: dockerfile
container_name: c_django
working_dir: /backend/project
command: >
daphne -b 0.0.0.0 -p 8000 project.asgi:application
# python manage.py runserver
volumes:
- ./backend:/backend:delegated
- ./backend/project/images:/backend/project/images
- ./backend/project/staticfiles:/backend/project/staticfiles
ports:
- 8000:8000
environment:
ALLOWED_HOSTS: '*'
DEBUG: 'True'
SECRET_KEY: 1vbl8yp&1*c6)+-o!9r_)_1oo$x*-en^mu0#c*wcojb1j#-=20
PYTHONPATH: "."
DJANGO_SETTINGS_MODULE: "project.settings"
DATABASE_NAME: fitness
DATABASE_USER: postgres
DATABASE_PASSWORD: 123456
DATABASE_HOST: db
DATABASE_PORT: 5432
REDIS_URL: redis://redis:6379/1
depends_on:
- db
- redis
networks:
- frontend_backend

db:
image: postgres:15
container_name: c_postgres
environment:
POSTGRES_USER: postgres
POSTGRES_PASSWORD: 123456
POSTGRES_DB: fitness
ports:
- 5432:5432
volumes:
- postgres_data:/var/lib/postgresql/data
networks:
- frontend_backend

frontend:
build:
context: ../frontend
dockerfile: Dockerfile
container_name: c_frontend
volumes:
- ../frontend/dist:/usr/share/nginx/html
- ../frontend/nginx/nginx.conf:/etc/nginx/nginx.conf
ports:
- 8080:80
depends_on:
- web
networks:
- frontend_backend

nginx:
image: nginx:latest
container_name: c_nginx
volumes:
- ../frontend/nginx/nginx.conf:/etc/nginx/nginx.conf
- ../frontend/dist:/usr/share/nginx/html
- ./backend/project/images:/usr/share/nginx/html/images
- ./backend/project/static:/usr/share/nginx/html/static
ports:
- 80:80
depends_on:
- web
- frontend
networks:
- frontend_backend

redis:
image: redis:alpine
container_name: c_redis
ports:
- 6379:6379
networks:
- frontend_backend

volumes:
postgres_data:

networks:
frontend_backend:
driver: bridge


And my directory:

Directory: C:\Users\emirh\OneDrive\Belgeler\GitHub\drf-vue3-gym-managament\backend\project


Mode LastWriteTime Length Name
---- ------------- ------ ----
d----- 26.06.2024 04:18 API
d----- 27.05.2024 01:51 ckeditor
d----- 23.06.2024 20:42 fixtures
d----- 31.05.2024 04:44 images
d----- 5.12.2024 22:34 project
d----- 11.01.2025 23:49 staticfiles
-a---- 29.04.2024 00:53 685 manage.py



Directory: C:\Users\emirh\OneDrive\Belgeler\GitHub\drf-vue3-gym-managament\backend\project\project


Mode LastWriteTime Length Name
---- ------------- ------ ----
d----- 2.02.2025 21:56 __pycache__
-a---- 15.01.2025 15:41 624 asgi.py
-a---- 2.02.2025 23:44 8259 settings.py
-a---- 3.12.2024 01:29 174 urls.py
-a---- 29.04.2024 00:53 407 wsgi.py
-a---- 29.04.2024 00:53 0 __init__.py


And this is error:

c_postgres |
c_postgres | PostgreSQL Database directory appears to contain a database; Skipping initialization
c_postgres |
c_postgres |
c_postgres | 2025-02-02 20:57:08.744 UTC [1] LOG: starting PostgreSQL 15.10 (Debian 15.10-1.pgdg120+1) on x86_64-pc-linux-gnu, compiled by gcc (Debian 12.2.0-14) 12.2.0, 64-bit
c_postgres | 2025-02-02 20:57:08.814 UTC [1] LOG: listening on IPv4 address "0.0.0.0", port 5432
c_postgres | 2025-02-02 20:57:08.814 UTC [1] LOG: listening on IPv6 address "::", port 5432
c_postgres | 2025-02-02 20:57:08.818 UTC [1] LOG: listening on Unix socket "/var/run/postgresql/.s.PGSQL.5432"
c_postgres | 2025-02-02 20:57:08.824 UTC [29] LOG: database system was shut down at 2025-02-02 20:53:24 UTC
c_postgres | 2025-02-02 20:57:08.838 UTC [1] LOG: database system is ready to accept connections
c_frontend | /docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
c_frontend | /docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
c_django | Traceback (most recent call last):
c_django | File "/usr/local/bin/daphne", line 8, in <module>
c_frontend | /docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
c_django | sys.exit(CommandLineInterface.entrypoint())
c_django | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
c_django | File "/usr/local/lib/python3.11/site-packages/daphne/cli.py", line 171, in entrypoint
c_django | cls().run(sys.argv[1:])
c_django | File "/usr/local/lib/python3.11/site-packages/daphne/cli.py", line 233, in run
c_django | application = import_by_path(args.application)
c_django | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
c_django | File "/usr/local/lib/python3.11/site-packages/daphne/utils.py", line 17, in import_by_path
c_django | target = importlib.import_module(module_path)
c_django | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
c_django | File "/usr/local/lib/python3.11/importlib/__init__.py", line 126, in import_module
c_django | return _bootstrap._gcd_import(name[level:], package, level)
c_django | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
c_django | File "<frozen importlib._bootstrap>", line 1204, in _gcd_import
c_django | File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
c_django | File "<frozen importlib._bootstrap>", line 1126, in _find_and_load_unlocked
c_django | File "<frozen importlib._bootstrap>", line 241, in _call_with_frames_removed
c_django | File "<frozen importlib._bootstrap>", line 1204, in _gcd_import
c_django | File "<frozen importlib._bootstrap>", line 1176, in _find_and_load
c_django | File "<frozen importlib._bootstrap>", line 1140, in _find_and_load_unlocked
c_django | ModuleNotFoundError: No module named 'project'
c_frontend | 10-listen-on-ipv6-by-default.sh: info: Getting the checksum of /etc/nginx/conf.d/default.conf
c_frontend | 10-listen-on-ipv6-by-default.sh: info: Enabled listen on IPv6 in /etc/nginx/conf.d/default.conf
c_frontend | /docker-entrypoint.sh: Sourcing /docker-entrypoint.d/15-local-resolvers.envsh
c_frontend | /docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
c_frontend | /docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh
c_frontend | /docker-entrypoint.sh: Configuration complete; ready for start up
c_nginx | /docker-entrypoint.sh: /docker-entrypoint.d/ is not empty, will attempt to perform configuration
c_nginx | /docker-entrypoint.sh: Looking for shell scripts in /docker-entrypoint.d/
c_nginx | /docker-entrypoint.sh: Launching /docker-entrypoint.d/10-listen-on-ipv6-by-default.sh
c_nginx | 10-listen-on-ipv6-by-default.sh: info: Getting the checksum of /etc/nginx/conf.d/default.conf
c_nginx | 10-listen-on-ipv6-by-default.sh: info: Enabled listen on IPv6 in /etc/nginx/conf.d/default.conf
c_nginx | /docker-entrypoint.sh: Sourcing /docker-entrypoint.d/15-local-resolvers.envsh
c_nginx | /docker-entrypoint.sh: Launching /docker-entrypoint.d/20-envsubst-on-templates.sh
c_nginx | /docker-entrypoint.sh: Launching /docker-entrypoint.d/30-tune-worker-processes.sh
c_nginx | /docker-entrypoint.sh: Configuration complete; ready for start up
c_django exited with code 1
c_nginx | 2025/02/02 20:57:09 [emerg] 1#1: host not found in upstream "web" in /etc/nginx/nginx.conf:23
c_nginx | nginx: [emerg] host not found in upstream "web" in /etc/nginx/nginx.conf:23
c_nginx exited with code 1
c_postgres | 2025-02-02 21:02:08.942 UTC [27] LOG: checkpoint starting: time
c_postgres | 2025-02-02 21:02:08.963 UTC [27] LOG: checkpoint complete: wrote 3 buffers (0.0%); 0 WAL file(s) added, 0 removed, 0 recycled; write=0.005 s, sync=0.003 s, , sync=0.003 s, total=0.022 s; sync files=2, longest=0.002 s, average=0.002 s; distance=0 kB, estimate=0 kB


asgi.py:

import os
import django
from django.core.asgi import get_asgi_application
from channels.routing import ProtocolTypeRouter, URLRouter
from channels.auth import AuthMiddlewareStack
from channels.security.websocket import AllowedHostsOriginValidator
import API.routing

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'project.settings')
django.setup()

application = ProtocolTypeRouter({
"http": get_asgi_application(),
"websocket": AllowedHostsOriginValidator(
AuthMiddlewareStack(
URLRouter(
API.routing.websocket_urlpatterns
)
),
),
})


How can I solve this problem ? Where did I make a mistake here ? I searched it but did not find anything or I couldn't solve it. I am beginner in docker. Thanks.

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