some braces around BASH variables

1 files changed, 3 insertions, 3 deletions

diff --git a/build-docker-containers.sh b/build-docker-containers.sh
index 3cac746..93281e1 100755
--- a/build-docker-containers.sh
+++ b/build-docker-containers.sh
@@ -6,14 +6,14 @@ buildroot="$(pwd)"
 
 # clean docker containers
 for i in $(sudo docker ps | grep -v 'COMMAND' | grep -v 'database' | awk '{print $1}'); do
-    sudo docker stop $i
+    sudo docker stop ${i}
 done
 for i in $(sudo docker ps | grep -v 'COMMAND' | grep -F 'database' | awk '{print $1}'); do
-    sudo docker stop $i
+    sudo docker stop ${i}
 done
 sudo docker container prune -f
 for i in $(sudo docker images | grep -v 'REPOSITORY' | awk '{print $3}'); do
-    sudo docker rmi --force $i
+    sudo docker rmi --force ${i}
 done
 
 # clean the build files