diff --git a/docker/test_runner.sh b/docker/test_runner.sh
new file mode 100755
index 0000000..47ba381
--- /dev/null
+++ b/docker/test_runner.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+cd /opt/php
+
+php -r "copy('https://getcomposer.org/installer', 'composer-setup.php');"
+php -r "if (hash_file('SHA384', 'composer-setup.php') === '669656bab3166a7aff8a7506b8cb2d1c292f042046c5a994c43155c0be6190fa0355160742ab2e1c88d40d5be660b410') { echo 'Installer verified'; } else { echo 'Installer corrupt'; unlink('composer-setup.php'); } echo PHP_EOL;"
+php composer-setup.php
+php -r "unlink('composer-setup.php');"
+
+php composer.phar install --prefer-dist --no-interaction
+
+ls -la ./vendor/bin
+
+if ./vendor/bin/phpunit; then
+  echo "Tests passed successfully!"
+  exit 0
+else
+  echo "Tests failed :("
+  exit 1
+fi
\ No newline at end of file