Add image with golang for use with gitlab-ce builds with gitaly

/cc @jacobvosmaer-gitlab

@ayufan would you mind reviewing this when you have a chance?

assigned to @ayufan

added 1 commit

• 616e7d96 - Add image with golang for use with gitlab-ce builds with gitaly

Compare with previous version

@ayufan updated because I missed adding the go binary to the path :)

merged

mentioned in commit ce7d905f

resolved all discussions

(btw, thanks @ayufan :)