diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
new file mode 100644
index 0000000..56089c0
--- /dev/null
+++ b/.gitlab-ci.yml
@@ -0,0 +1,6 @@
+test_dmd:
+    stage: test
+    image: mmcomando/ecs_enviroment
+    script:
+        - source $(/script/dlang/install.sh dmd -a) && dmd --version
+        - source $(/script/dlang/install.sh dmd -a) && dub test
diff --git a/tests/runner.d b/tests/runner.d
index a31b1a6..2b8597f 100644
--- a/tests/runner.d
+++ b/tests/runner.d
@@ -1,3 +1,4 @@
+// Example usage: dub -c unittest-runner -b unittest
 module tests.runner;
 
 import core.stdc.stdio;