@yuukihiroposted at 2023-07-30

DjangoアプリをRenderにデプロイすると、ModuleNotFoundError: No module named 'boardproject.settings' と表示される

Q&A

解決したいこと

ローカル環境の場合、python manage.py runserver のコマンドでアプリが立ち上がるが、Renderにデプロイすると、'boardproject.settings' が読み込まれないエラーが発生。フォルダ構造とそれらしいファイルを貼ります。

発生している問題・エラー

ModuleNotFoundError: No module named 'boardproject.settings'

該当するソースコード

manage.py

import os
import sys



def main():
    """Run administrative tasks."""
    os.environ.setdefault('DJANGO_SETTINGS_MODULE', "boardproject.settings")
    try:
        from django.core.management import execute_from_command_line
    except ImportError as exc:
        raise ImportError(
            "Couldn't import Django. Are you sure it's installed and "
            "available on your PYTHONPATH environment variable? Did you "
            "forget to activate a virtual environment?"
        ) from exc
    execute_from_command_line(sys.argv)

wsgy.py

import os

from django.core.wsgi import get_wsgi_application

os.environ.setdefault('DJANGO_SETTINGS_MODULE', "boardproject.settings")

application = get_wsgi_application()

asgy.py

import os

from django.core.asgi import get_asgi_application

os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'boardproject.settings')

application = get_asgi_application()

```manage.py
import os
import sys



def main():
    """Run administrative tasks."""
    os.environ.setdefault('DJANGO_SETTINGS_MODULE', "boardproject.settings")
    try:
        from django.core.management import execute_from_command_line
    except ImportError as exc:
        raise ImportError(
            "Couldn't import Django. Are you sure it's installed and "
            "available on your PYTHONPATH environment variable? Did you "
            "forget to activate a virtual environment?"
        ) from exc
    execute_from_command_line(sys.argv)

settings.py

from pathlib import Path
import os

#add
import environ
from decouple import config
from dj_database_url import parse as dburl

BASE_DIR = Path(__file__).resolve().parent.parent

env = environ.Env()
env.read_env(os.path.join(BASE_DIR, ".env"))
#

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent

#add
#

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/4.2/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = '伏せます'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

# Application definition
ALLOWED_HOSTS = ['*']

INSTALLED_APPS = [
    'django.contrib.admin',     
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'boardapp.apps.BoardappConfig',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'whitenoise.middleware.WhiteNoiseMiddleware', # 追加
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]


ROOT_URLCONF = 'boardproject.urls'
    
TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [BASE_DIR / 'templates'],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'boardproject.wsgi.application'


# Database
# https://docs.djangoproject.com/en/4.2/ref/settings/#databases

default_dburl = "sqlite:///" + str(BASE_DIR / "db.sqlite3")

DATABASES = {
    "default": config("DATABASE_URL", default=default_dburl, cast=dburl),
}


"""追加
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': BASE_DIR / 'db.sqlite3',
    }
}
#"""

# Password validation
# https://docs.djangoproject.com/en/4.2/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]


# Internationalization
# https://docs.djangoproject.com/en/4.2/topics/i18n/

#追加
#
LANGUAGE_CODE = 'ja'

TIME_ZONE = 'Asia/Tokyo'

USE_I18N = True

USE_TZ = True


#add
default_dburl = "sqlite:///" + str(BASE_DIR / "db.sqlite3")
#

#Default    
STATIC_URL = 'static/'
DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"
#
STATIC_ROOT = str(BASE_DIR / "staticfiles")
#追加
STATICFILES_STORAGE = "whitenoise.storage.CompressedManifestStaticFilesStorage"
SUPERUSER_NAME = env("SUPERUSER_NAME")
SUPERUSER_EMAIL = env("SUPERUSER_EMAIL")
SUPERUSER_PASSWORD = env("SUPERUSER_PASSWORD")
#
STATICFILES_DIRS = [str(BASE_DIR / 'static')]

MEDIA_ROOT = BASE_DIR / 'media'

MEDIA_URL = 'media/'

LOGIN_URL = 'login'



# Default primary key field type
# https://docs.djangoproject.com/en/4.2/ref/settings/#default-auto-field

ファイル構造

C:.
│  .env
│  .gitignore
│  build.sh
│  db.sqlite3
│  manage.py
│  render.yaml
│  requirements.txt
│
├─boardapp
│  │  admin.py
│  │  apps.py
│  │  models.py
│  │  tests.py
│  │  urls.py
│  │  views.py
│  │  __init__.py
│  │
│  ├─migrations
│  │  │  0001_initial.py
│  │  │  0002_alter_boardmodel_good_alter_boardmodel_read_and_more.py
│  │  │  __init__.py
│  │  │
│  │  └─__pycache__
│  │          0001_initial.cpython-310.pyc
│  │          0002_alter_boardmodel_good_alter_boardmodel_read_and_more.cpython-310.pyc
│  │          __init__.cpython-310.pyc
│  │
│  └─__pycache__
│          admin.cpython-310.pyc
│          apps.cpython-310.pyc
│          models.cpython-310.pyc
│          urls.cpython-310.pyc
│          views.cpython-310.pyc
│          __init__.cpython-310.pyc
│
├─boardproject
│  │  asgi.py
│  │  settings.py
│  │  urls.py
│  │  wsgi.py
│  │  __init__.py
│  │
│  └─__pycache__
│          settings.cpython-310.pyc
│          urls.cpython-310.pyc
│          wsgi.cpython-310.pyc
│          __init__.cpython-310.pyc
│
├─media
│      bird.jpg
│      
│      
│      
│      
│     
│      
│
├─static
│      style.css
│
└─templates
        base.html
        create.html
        detail.html
        list.html
        login.html
        signup.html

自分で試したこと

以下のサイトを参考にして、実施したが、できない。
https://zenn.dev/hathle/books/django-render-book/viewer/00_first

分かる方いましたら、ぜひ教えてください。

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