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# Steam in Docker
Tested in Ubuntu 16.04 LTS (64bit) with the following GPU's:
- Intel HD Graphics 3000
- Intel HD Graphics 4400
- NVIDIA's GeForce GTX 560 Ti
## Requirements
- [Docker](https://www.docker.com/)
- (Optional) [Docker Compose](https://docs.docker.com/compose/)
## Limitations
- Currently, the version of the Nvidia's driver in this container must match the version installed on your host.
I am going to improve the `/launch` script so that it will be able to automatically detect the working version of your Nvidia driver and use it.
Currently the script detects only the nvidia-340 vs no-proprietary-nvidia-drivers at all.
# Building and launching Steam
## Create 32bit image
Create 32-bit Ubuntu 16.04 LTS (xenial) image
```
sudo apt-get -y install debootstrap
sudo debootstrap --arch=i386 xenial /tmp/xenial-chroot http://archive.ubuntu.com/ubuntu
sudo tar -C /tmp/xenial-chroot -c . | docker import - xenial32
sudo rm -rf /tmp/xenial-chroot
docker tag xenial32 andrey01/xenial32:latest
```
## Build Steam Docker image
You may want to re-run this command later on in order to keep the image updated.
```
docker build -t andrey01/steam .
```
## Launch the Steam in Docker
You can drop the following aliases to your ~/.bash_aliases
```
alias docker="sudo docker"
alias docker-compose="sudo docker-compose"
alias steam="docker-compose -f $HOME/docker/steam/docker-compose.yml run --rm steam"
```
Then just issue "steam" command to run Steam in docker.
## Troubleshooting
You might want to modify the `docker-compose.yml` in case of problems, the file should be pretty self explanatory, although you may refer to the official [Docker Compose file reference](https://docs.docker.com/compose/compose-file/)
Also keep in mind to uncomment or/and add your devices to the `devices:` section there.
The best result is when you have a similar to the following output, using the `glxgears` (part of `mesa-utils` package):
```
$ docker-compose -f $HOME/docker/steam/docker-compose.yml run --rm --entrypoint glxgears steam
Running synchronized to the vertical refresh. The framerate should be
approximately the same as the monitor refresh rate.
305 frames in 5.0 seconds = 60.878 FPS
301 frames in 5.0 seconds = 60.011 FPS
301 frames in 5.0 seconds = 60.009 FPS
305 frames in 5.0 seconds = 60.807 FPS
```
If you are getting `segmentation fault` error or Steam does not start, then you could try resetting its config:
```
$ docker-compose -f $HOME/docker/steam/docker-compose.yml run --rm steam --reset
```
# Links
Below is just bunch of links, someone might find them useful
- https://wiki.ubuntu.com/Valve
- https://developer.valvesoftware.com/wiki/Steam_under_Linux#Ubuntu
- http://media.steampowered.com/client/installer/steam.deb
- http://repo.steampowered.com/steam/archive/precise/steam_latest.deb
- http://repo.steamstatic.com/steam/