Change to use docker service, added epel to base

.gitlab-ci.yml

@@ -7,10 +7,10 @@ stages:
 variables:
   VERSION: "7"
   CACHETAG: build
-  DOCKER_HOST: tcp://${CI_REGISTRY}-leenooks-ci-docker:2375
+  DOCKER_HOST: tcp://docker:2375
 
 services:
-- ${CI_REGISTRY}/leenooks/ci-docker:dind
+- docker:dind
 
 before_script:
 - docker info

Dockerfile

@@ -4,4 +4,4 @@
 FROM centos:7
 
 RUN ln -sf /usr/share/zoneinfo/Australia/Melbourne /etc/localtime
-RUN yum -y install http://yum.leenooks.net/repo-7.rpm && yum clean all && rm -rf /var/tmp/*
+RUN yum -y install http://yum.leenooks.net/repo-7.rpm epel-release && yum clean all && rm -rf /var/tmp/*