Let's review Docker
>All of the features which it claims to be helpful are<p>>either useless or poorly implemented, and it's primary<p>>benefits can be easily achieved using namespaces directly.<p>any tutorial ? For me the docker is very easy.<p>and there are some new alternatives:<p>- LXD :   <a href="https://lists.linuxcontainers.org/pipermail/lxc-devel/2014-November/010817.html" rel="nofollow">https://lists.linuxcontainers.org/pipermail/lxc-devel/2014-N...</a><p>- Rocket: <a href="https://coreos.com/blog/rocket/" rel="nofollow">https://coreos.com/blog/rocket/</a><p>- Flockport : <a href="http://www.flockport.com/faqs/" rel="nofollow">http://www.flockport.com/faqs/</a><p>- Spoon : <a href="https://spoon.net/docs/getting-started/spoon-and-docker" rel="nofollow">https://spoon.net/docs/getting-started/spoon-and-docker</a>