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Piping the output of `curl` or `wget -O-` to a shell is a very bad idea for multiple reasons; security concerns aside, doing so provides no opportunity for the script's download to finish before execution starts, so if the download is interrupted for some reason (perhaps because of an intermittent network failure), the incompletely-downloaded script will still run with potentially disastrous results. See [here](http://www.seancassidy.me/dont-pipe-to-your-shell.html) for a more in-depth description.
Dokku 
Docker powered mini-Heroku. The smallest PaaS implementation you've ever seen. Sponsored by our friends at Deis.
Requirements
- A fresh VM running Ubuntu
14.04 x64
Installing
To install the latest stable release, you can run the following commands as a user that has access to sudo:
wget https://raw.github.com/progrium/dokku/v0.3.17/bootstrap.sh
sudo DOKKU_TAG=v0.3.17 bash bootstrap.sh
Upgrading
View the docs for upgrading from an older version of Dokku.
Documentation
Full documentation - including advanced installation docs - are available online at docs
Support
You can use Github Issues, check Troubleshooting in the documentation, or join us on freenode in #dokku
Sponsors
Dokku is currently sponsored by the enterprise grade, multi-host PaaS project Deis.
License
MIT