Update .gitlab-ci.yml file

.gitlab-ci.yml

@@ -13,8 +13,8 @@ stages:
 variables:
   DOCKER_HOST: tcp://docker:2375
   DOCKER_TLS_CERTDIR: ""
-  EUSER: "1000"
-  EGID: "1000"
+  EUSER: "appuser"
+  EGID: "137"
   MOODLE_WWWROOT: "http://docker:8080" # For the entrypoint installation
   MOODLE_URL: "http://docker:8080"     # For the test script's curl commands
   # Add the admin credentials here so they are also written to the .env file