GitLab

Setting DOCKER_HOST won't work now that TLS is enabled by default.
The entrypoint for the Docker image will autodetect that.

* switch to k8sdev-01 environment
* make the Ingress class a template variable
* upgrade the Deployment API version

from PR #105 (https://github.com/common-workflow-language/galaxy/pull/105)
allow to upload CWL workflows to Galaxy using the API

* material to launch docker execution tests
* docker in docker setup