Adding comprehensive comments

portainer/docker-compose.yml

@@ -1,12 +1,18 @@
+# Portainer Container Management Configuration
 services:
   portainer:
+    # Basic container configuration
     container_name: portainer
     image: docker.io/portainer/portainer-ee:latest
     restart: unless-stopped
+    
+    # Persistent storage and system access configuration
     volumes:
-      - ./data:/data
-      - /etc/localtime:/etc/localtime:ro
-      - /var/run/docker.sock:/var/run/docker.sock
+      - ./data:/data  # Portainer configuration and database
+      - /etc/localtime:/etc/localtime:ro  # Sync host timezone
+      - /var/run/docker.sock:/var/run/docker.sock  # Docker API access
+    
+    # Network ports configuration
     ports:
-      - 8000:8000
-      - 9443:9443
+      - 8000:8000  # Edge agent communication port
+      - 9443:9443  # Web UI HTTPS port