settings.py

import os

PROJECT = 'gepkg'
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

DEBUG = 'DJANGO_DEBUG' in os.environ
ALLOWED_HOSTS = ['localhost', 'eur0c', 'eur0c.laas.fr']

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'django.contrib.sites',
    'bootstrap3',
    'gepetto_packages',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    '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 = 'gepetto_packages.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [],
        '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 = f'{PROJECT}.wsgi.application'

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.' + ('postgresql' if 'POSTGRES_PASSWORD' in os.environ else 'sqlite3'),
        'HOST': 'db',
        'USER': 'postgres',
        'NAME': 'postgres' if 'POSTGRES_PASSWORD' in os.environ else os.path.join(BASE_DIR, 'db.sqlite3'),
        'PASSWORD': os.getenv('POSTGRES_PASSWORD', '')
    }
}

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',
    },
]

LANGUAGE_CODE = 'fr-FR'
TIME_ZONE = 'Europe/Paris'
USE_I18N = True
USE_L10N = True
USE_TZ = True

STATIC_URL = '/static/'
STATIC_ROOT = '/static/'

SITE_ID = 1

SECRET_KEY = os.getenv('DJANGO_SECRET_KEY', 'placeholder')