在 docker 里安装 gitlab runner,并将 runner 注册到 gitlab 中
gitlab-runner register \
--non-interactive \
--executor "docker" \
--docker-image alpine:latest \
--url "http://121.36.22.204/" \
--registration-token "zHkqsD2ffFHNioqkG5r4" \
--description "docker-runner" \
--tag-list "docker,aws" \
--run-untagged="true" \
--locked="false" \
--access-level="not_protected"