Docker resuscitation

Description

Revives the docker runner.

Changes

• Changed the docker api address to support running in the k8s cluster
• Re-introduced some features needed by docker (most notably the job options)

Additions

Test and Review

To be filled in by the reviewers

• All of the methods are commented to expectation

• The methods are tested to satisfaction

• There are no unnecessary files present in the MR

• The continuous integration has no problems with the MR

• The MR is filled in as requested (including labels, milestones, and reviewers)

• The documentation is up-to-date

• All nullable parameters are marked as such