added container name as variable

docker-compose.yml

 services:
   bizgaze_application:
     image: harbor.hireserver.com/bizgaze/application:latest
-    container_name: bizgaze_application
+    container_name: bizgaze_application_${containername}
     ports:
       - "${hostport}:80"
     volumes:
       - ${settings_dir}:/opt/bizgaze/wwwroot/settings
   bizgaze_automation:
     image: harbor.hireserver.com/bizgaze/automation:latest
-    container_name: bizgaze_automation
+    container_name: bizgaze_automation_${containername}
     volumes:
       - ${automation_appsettings}:/opt/automation/appsettings.json