backend/core/settings.py

from pathlib import Path
import os
from dotenv import load_dotenv

load_dotenv()

BASE_DIR = Path(__file__).resolve().parent.parent
SECRET_KEY = os.environ.get('SECRET_KEY', 'dev-secret-key-change-in-production')
DEBUG      = os.environ.get('DEBUG', 'False') == 'True'
ALLOWED_HOSTS = ['*']

INSTALLED_APPS = [
    'django.contrib.contenttypes',
    'django.contrib.auth',
    'django.contrib.staticfiles',
    'rest_framework',
    'api',
    'corsheaders',
]

MIDDLEWARE = [
    'corsheaders.middleware.CorsMiddleware',
    'django.middleware.security.SecurityMiddleware',
    'whitenoise.middleware.WhiteNoiseMiddleware',
    'django.middleware.common.CommonMiddleware',
]

ROOT_URLCONF = 'core.urls'

TEMPLATES = [{
    'BACKEND': 'django.template.backends.django.DjangoTemplates',
    'DIRS': [BASE_DIR / 'templates'] if (BASE_DIR / 'templates').exists() else [],
    'APP_DIRS': True,
    'OPTIONS': {
        'context_processors': [
            'django.template.context_processors.request',
        ],
    },
}]

WSGI_APPLICATION = 'core.wsgi.application'
DATABASES = {}

STATIC_URL   = '/static/'
STATICFILES_DIRS = [BASE_DIR / 'static'] if (BASE_DIR / 'static').exists() else []

STATIC_ROOT  = BASE_DIR / 'staticfiles'
STATICFILES_STORAGE = 'whitenoise.storage.CompressedManifestStaticFilesStorage'

REST_FRAMEWORK = {
    'DEFAULT_RENDERER_CLASSES': ['rest_framework.renderers.JSONRenderer'],
    'DEFAULT_PARSER_CLASSES': [
        'rest_framework.parsers.MultiPartParser',
        'rest_framework.parsers.JSONParser',
    ],
}

MODEL_PATH   = BASE_DIR / 'model' / 'dermavision.onnx'
GROQ_API_KEY = os.environ.get('GROQ_API_KEY', '')
DATA_UPLOAD_MAX_MEMORY_SIZE = 20 * 1024 * 1024
CORS_ALLOW_ALL_ORIGINS = True  # tighten this when deploying