# Installing Docker

Follow the [Official Guide](https://docs.docker.com/engine/installation). Googlers: [go/installdocker](https://goto.google.com/installdocker).
([Why Docker?](faq.md#why-do-you-use-docker))

*NOTE: if you want to run `docker` without `sudo` also follow the optional [Create a docker group](https://docs.docker.com/engine/installation/linux/ubuntulinux/#/create-a-docker-group) section.*

*NOTE: Docker images can consume significant disk space. Run*
*[docker-cleanup](https://gist.github.com/mikea/d23a839cba68778d94e0302e8a2c200f)*
*periodically to garbage collect unused images.*