Output all elements when debugging

abra

@@ -800,7 +800,7 @@ ensure_stack_deployed() {
   idx=0
 
   IFS=' ' read -r -a SERVICES <<< "$(docker stack services "${STACK_NAME}" --format "{{.ID}}" | tr '\n' ' ')"
-  debug "Considering the following service IDs: ${SERVICES} for ${STACK_NAME} deployment"
+  debug "Considering the following service IDs: ${SERVICES[*]} for ${STACK_NAME} deployment"
 
   while [ ! $(( ${#HEALTHY[@]} + ${#MISSING[@]} )) -eq ${#SERVICES[@]} ]; do
     for service in $(docker ps -f "name=$STACK_NAME" -q); do