Create GitLab CI configuration for Dokku testing server

.gitlab-ci.yml

@@ -0,0 +1,19 @@
+image: dokku/ci-docker-image
+
+stages:
+  - deploy
+
+variables:
+  GIT_DEPTH: 0
+
+deploy:
+  stage: deploy
+  only:
+    - testing
+  variables:
+    GIT_REMOTE_URL: ssh://dokku@ssh.dokku.sudoer.ch:1337/cvcs-score-tracker
+    GIT_SSH_COMMAND: 'ssh -o StrictHostKeyChecking=no'
+  script: 
+    - dokku-deploy
+  after_script: 
+    - dokku-unlock