diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8b71865..7170408 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,8 +1,13 @@
-services:
-  - docker:dind
+image: debian:stable-slim
 
-shellcheck:
-  image: docker:latest
+stages:
+  - test
+
+before_script:
+  - apt-get update
+  - apt-get install -y bash shellcheck
+
+test:
   stage: test
   script:
-    - docker run --rm -v "$(pwd):/mnt" koalaman/shellcheck:stable src/*
+    - bash test.sh
diff --git a/test.sh b/test.sh
new file mode 100755
index 0000000..2e33377
--- /dev/null
+++ b/test.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+
+exit_result=0
+files="$(grep -R --exclude-dir='.git' '^#!/.*sh$' 2>/dev/null | cut -d ':' -f 1)"
+
+
+for file in ${files}
+do
+    echo "File ${file}... checking"
+    if shellcheck "${file}"
+    then
+        echo "    file is correct"
+    else
+        echo "    there were errors found in the file"
+        exit_result=1
+    fi
+    echo "Done: ${file}"
+    echo
+done
+
+if [ ${exit_result} = 0 ]
+then
+    echo "No errors reported"
+    echo "Exiting successfully"
+    exit ${exit_result}
+else
+    echo "Some errors reported"
+    echo "Exiting without success"
+    exit ${exit_result}
+fi