import re

with open('config/settings.py', 'r') as f:
    content = f.read()

middleware = """MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'whitenoise.middleware.WhiteNoiseMiddleware',
"""
content = re.sub(r"MIDDLEWARE = \[\n\s+'django\.middleware\.security\.SecurityMiddleware',\n", middleware, content)

static_root = """STATIC_URL = 'static/'
STATIC_ROOT = BASE_DIR / 'staticfiles'
STATICFILES_DIRS = [BASE_DIR / 'static']
"""
content = re.sub(r"STATIC_URL = 'static/'\n", static_root, content)

with open('config/settings.py', 'w') as f:
    f.write(content)

with open('requirements.txt', 'a') as f:
    f.write('\nwhitenoise==6.7.0\n')