Better CI

Fixes #7 (closed)

.gitlab-ci.yml

-image: golang:latest
+image: containers.ethitter.com:443/docker/images/golang:latest
 
 variables:
   REPO_NAME: git.ethitter.com/debian/eth-log-alerting
@@ -20,6 +20,8 @@ before_script:
   - cp -R $CI_PROJECT_DIR $GOPATH/src/$REPO_NAME
   - cd $GOPATH/src/$REPO_NAME
 
+  - export CC=clang-5.0
+
   - make dep
 
 unit_tests: