错误提示
error during connect: Post http://docker:2375/v1.24/build?buildargs=%7B%7D&cachefrom=%5B%5D&cgroupparent=&cpuperiod=0&cpuquota=0&cpusetcpus=&cpusetmems=&cpushares=0&dockerfile=Dockerfile&labels=%7B%7D&memory=0&memswap=0&networkmode=default&rm=1&shmsize=0&target=&ulimits=null&version=1: dial tcp: lookup docker on 202.96.134.133:53: no such host
修复办法：
进入gitlab-runner下/etc/gitlab-runner/config.toml
修改config.toml下的volumes
volumes = ["/var/run/docker.sock:/var/run/docker.sock","/cache"]
重启gitlab runner
