diff --git a/jenkins.prepare.sh b/jenkins.prepare.sh
index 4997abc..b8fcb77 100755
--- a/jenkins.prepare.sh
+++ b/jenkins.prepare.sh
@@ -1,6 +1,4 @@
-#!/bin/bash
-
-set -e
+#!/bin/bash -xe
 
 docker-compose down
 
diff --git a/npm.sh b/npm.sh
index a235e17..22a6c2a 100755
--- a/npm.sh
+++ b/npm.sh
@@ -1,3 +1,14 @@
-#!/usr/bin/env bash
+#!/usr/bin/env -S bash -x
 
-docker-compose run --user="$UID" --rm --service-ports test npm --loglevel warn "$@"
+
+# the "--no-TTY" option is crucial - without it the output is not captured in Jenkins
+
+docker-compose run \
+			   --no-TTY \
+			   --user="$UID" \
+			   --rm \
+			   --service-ports \
+			   -e BASELINE_DATABASE="baseline" \
+			   -e "BASELINE_PORT=1433" \
+			   test \
+			   npm --loglevel warn "$@"