Update image used in build

Use kwarc/static-website-deployer image to prevent having to reinstall Jekyll all the time

Update image used in build
a99ab9d6 · Tom Wiesing · 06990204 · a99ab9d6
Commit a99ab9d6 authored 7 years ago by Tom Wiesing
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
-image: ruby:2.3
+image: kwarc/jekyll-website-deployer
 stages:
  - deploy