## Description The `[runners.docker]` section have `extra_hosts` option to configure hosts file. https://gitlab.com/gitlab-org/gitlab-runner/blob/master/docs/configuration/advanced-configuration.md#the-runnersdocker-section `extra_hosts` specify hosts that should be defined in a container environment kubernets has `HostAliases` to do same thing: https://kubernetes.io/docs/concepts/services-networking/add-entries-to-pod-etc-hosts-with-host-aliases/ ``` hostAliases: - ip: "127.0.0.1" hostnames: - "foo.local" - "bar.local" - ip: "10.1.2.3" hostnames: - "foo.remote" - "bar.remote" ``` I'm using /etc/hosts to resolve my gitlab host name, and encounter `Couldn't resolve host 'gitlab.myhost.com' ` ``` Running with gitlab-runner 10.0.2 (a9a76a50) on Kubernetes Runner (e5d51f58) Using Kubernetes namespace: gitlab Using Kubernetes executor with image busybox:latest ... Waiting for pod gitlab/runner-e5d51f58-project-87-concurrent-0ctv75 to be running, status is Pending Waiting for pod gitlab/runner-e5d51f58-project-87-concurrent-0ctv75 to be running, status is Pending Running on runner-e5d51f58-project-87-concurrent-0ctv75 via gitlab-runner-5d678545dc-wv9n2... Cloning repository... Cloning into '/docker/gitlab-runner'... fatal: unable to access 'https://gitlab-ci-token:xxxxxxxxxxxxxxxxxxxx@gitlab.myhost.com/docker/gitlab-runner.git/': Couldn't resolve host 'gitlab.myhost.com' ERROR: Job failed: error executing remote command: command terminated with non-zero exit code: Error executing in Docker Container: 1 ``` ## Proposal ## Links to related issues and merge requests / references > Please paste a link of the related issues or/and merge requests