Update app.py

app.py

@@ -81,7 +81,7 @@ os.environ['S3_BUCKET'] = os.getenv('S3_BUCKET')
 s3 = boto3.client('s3')
 
 db_user = os.getenv("DB_USER")
-db_password = os.getenv("DB_PASSWORD")
+db_password = os.getenv("DB_PASS")
 db_host = os.getenv("DB_HOST")
 db_name = os.getenv("DB_NAME")