diff --git a/tests/dockerfiles/.env.local b/tests/dockerfiles/.env.local
index c132a98..e4fa206 100644
--- a/tests/dockerfiles/.env.local
+++ b/tests/dockerfiles/.env.local
@@ -27,8 +27,13 @@
 #
 # Run tests locally:
 # bash scripts/test.sh
+#
+# Debug in Docker:
+# docker run -it -v $(pwd):/usr/local/bin:ro --rm --entrypoint bash $PSU_IMAGE:$PSU_TAG
 
 #TRACE=true
+#PSU_TRACE=true
+#HTTPIE_VERIFY_SSL=no
 
 CI_REGISTRY=localhost.com
 CI_PROJECT_NAMESPACE=psuapp
diff --git a/tests/run.sh b/tests/run.sh
index e6d4bab..65f4781 100644
--- a/tests/run.sh
+++ b/tests/run.sh
@@ -14,7 +14,7 @@ fi
 [[ "$TRACE" ]] && set -x
 
 SWARM_NODE_NAME=${SWARM_NODE_NAME:-cluster}
-SWARM_NODE_IP=${SWARM_NODE_IP:-$(getent hosts $SWARM_NODE_NAME | awk '{ print $1 }')}
+SWARM_NODE_IP=${SWARM_NODE_IP:-$(getent hosts "${SWARM_NODE_NAME}" | awk '{ print $1 }')}
 export BASE_DOMAIN="$SWARM_NODE_IP.nip.io"
 export PSU_STACK_NAME="web-app"
 PSU_URL="https://portainer.$BASE_DOMAIN"