diff --git a/start.sh b/start.sh
index d062ff6..ff4737c 100755
--- a/start.sh
+++ b/start.sh
@@ -39,8 +39,12 @@ fi
 
 docker run -d --network cloud_computing_project --network-alias cloud_computing_project_db --name cloud_computing_project_db mongo:4.4
 
+sleep 1
+
 docker run -dp 8081:8080 --network cloud_computing_project --network-alias cloud_computing_project_api cloud_computing_project_api
 
+sleep 1
+
 docker run -d --network cloud_computing_project cloud_computing_project_traffic_light python traffic_light.py 11000
 docker run -d --network cloud_computing_project cloud_computing_project_traffic_light python traffic_light.py 21000
 docker run -d --network cloud_computing_project cloud_computing_project_traffic_light python traffic_light.py 31000