docker_settings.py

import os

from arq.connections import RedisSettings
from arq.constants import default_queue_name

# Build paths inside the project
BASE_DIR = os.path.dirname(os.path.abspath(__file__))

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = os.environ.get('DJANGO_SECRET_KEY', 'docker-default-secret-key-change-in-production')

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = os.environ.get('DEBUG', 'False').lower() == 'true'

ALLOWED_HOSTS = os.environ.get('ALLOWED_HOSTS', '*').split(',')

# Application definition
INSTALLED_APPS = [
    'arq_admin',
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'whitenoise.middleware.WhiteNoiseMiddleware',  # Serve static files
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'docker_middleware.BypassAuthenticationMiddleware',  # Bypass auth for arq-dashboard
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
]

ROOT_URLCONF = 'docker_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 = 'docker_wsgi.application'

# Database
DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    }
}

# Password validation
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
LANGUAGE_CODE = 'en-us'
TIME_ZONE = 'UTC'
USE_I18N = True
USE_TZ = True

# Static files (CSS, JavaScript, Images)
STATIC_URL = '/static/'
STATIC_ROOT = os.path.join(BASE_DIR, 'staticfiles')

# Default primary key field type
DEFAULT_AUTO_FIELD = 'django.db.models.BigAutoField'

# ARQ Configuration
REDIS_HOST = os.environ.get('REDIS_HOST', 'localhost')
REDIS_PORT = int(os.environ.get('REDIS_PORT', 6379))
REDIS_DB = int(os.environ.get('REDIS_DB', 0))
REDIS_PASSWORD = os.environ.get('REDIS_PASSWORD', None)

REDIS_SETTINGS = RedisSettings(
    host=REDIS_HOST,
    port=REDIS_PORT,
    database=REDIS_DB,
    password=REDIS_PASSWORD,
)

ARQ_QUEUES = {
    default_queue_name: REDIS_SETTINGS,
}

# Additional queues from environment (comma-separated)
ADDITIONAL_QUEUES = os.environ.get('ARQ_ADDITIONAL_QUEUES', '')
if ADDITIONAL_QUEUES:
    for queue_name in ADDITIONAL_QUEUES.split(','):
        queue_name = queue_name.strip()
        if queue_name:
            ARQ_QUEUES[queue_name] = REDIS_SETTINGS