add sla cdn

services/blogpost/sla.py

@@ -29,7 +29,7 @@ class WebAppSLA(Challenge):
     flag_location = 'flags/webapp.txt'           # Host copy (used by your orchestrator)
     history_location = 'history/webapp.txt'
     container_flag_path = '/flag.txt'
-    container_name = 'chal_app'                  # <-- set to your actual container name
+    container_name = 'blogpost_container'                  # <-- set to your actual container name
 
     # Heuristics to recognize ExifTool output
     _exif_markers = (