Rename preprod cookies to avoid collisions with prod cookies

arkindex/project/settings.py

@@ -387,12 +387,12 @@ def samesite(name, default):
     return value
 
 
-CSRF_COOKIE_NAME = 'arkindex.csrf'
+CSRF_COOKIE_NAME = os.environ.get('CSRF_COOKIE_NAME', 'arkindex.csrf')
 CSRF_TRUSTED_ORIGINS = env2list('CSRF_TRUSTED_ORIGINS')
 CSRF_COOKIE_DOMAIN = os.environ.get('COOKIE_DOMAIN')
 CSRF_COOKIE_SAMESITE = samesite('CSRF', 'lax')
 
-SESSION_COOKIE_NAME = 'arkindex.auth'
+SESSION_COOKIE_NAME = os.environ.get('SESSION_COOKIE_NAME', 'arkindex.auth')
 SESSION_COOKIE_DOMAIN = os.environ.get('COOKIE_DOMAIN')
 SESSION_COOKIE_SAMESITE = samesite('SESSION', 'lax')
 # Required for authentication over websockets