diff --git a/app.py b/app.py
index e6c43ba..8b47e25 100644
--- a/app.py
+++ b/app.py
@@ -29,7 +29,7 @@ app = Flask(__name__)
 app.secret_key = os.environ.get('FLASK_SECRET_KEY', 'dev-secret-key-change-in-production')
 
 # Configuration
-CONTENT_DIR = "/content"
+CONTENT_DIR = os.environ.get('CONTENT_DIR', "/content")
 INDEX_DIR = "/data/search_index"
 PASSWORD_FILE = "/config/page_passwords.json"
 MARKDOWN_EXTENSIONS = ['.md', '.markdown']