Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -9,6 +9,7 @@ variables:
 
 .build_template: &test_linux_template
   stage: test
+  image: docker-registry.esrf.fr/dau/tomwer:python3.5_stretch_pyqt5
   before_script:
     - arch
     - echo $HOME
@@ -26,9 +27,8 @@ variables:
 
 pages:
   stage: deploy
+  image: docker-registry.esrf.fr/dau/tomwer:python3.5_stretch_pyqt5
   before_script:
-    - arch
-    - echo $HOME
     - mkdir -p $HOME/.venv/py3
     - python -m venv $HOME/.venv/py3
     - source $HOME/.venv/py3/bin/activate