refactor: improve fetch request handling, update invoice PDF layout, and adjust docker-compose configuration

docker-compose.yml

@@ -7,8 +7,8 @@ services:
     container_name: kol-manager
     restart: unless-stopped
 
-    ports:
-      - "${APP_PORT:-8080}:80"
+    #    ports:
+    #      - "${APP_PORT:-8080}:80"
 
     # Mount .env.docker as the runtime .env
     env_file:
@@ -22,7 +22,7 @@ services:
       - kol_storage:/var/www/html/storage
 
     healthcheck:
-      test: ["CMD", "curl", "-f", "http://localhost/up"]
+      test: [ "CMD", "curl", "-f", "http://localhost/up" ]
       interval: 30s
       timeout: 10s
       retries: 3