Quote more variables

functions

@@ -317,8 +317,8 @@ service_url() {
   echo "$PLUGIN_SCHEME://postgres:$PASSWORD@$SERVICE_ALIAS:${PLUGIN_DATASTORE_PORTS[0]}/$DATABASE_NAME"
 }
 
-is_container_status () {
-  local CID=$1
+is_container_status() {
+  local CID="$1"
   local TEMPLATE="{{.State.$2}}"
   local CONTAINER_STATUS=$(docker inspect -f "$TEMPLATE" "$CID" || true)
 
@@ -401,7 +401,7 @@ service_linked_apps() {
 }
 
 update_plugin_scheme_for_app() {
-  local APP=$1
+  local APP="$1"
   local POSTGRES_DATABASE_SCHEME=$(config_get "$APP" POSTGRES_DATABASE_SCHEME)
   PLUGIN_SCHEME=${POSTGRES_DATABASE_SCHEME:-$PLUGIN_SCHEME}
 }