Nginx Unit Docker
Nginx Unix in a polyglot runtime supporting many popular programming language runtimes such as PHP, Python, Ruby with support for Node.js and Java arriving soon.
Unfortunately Nginx currently does not offer Docker images, but only prebuilt packages are for CentOS and Ubuntu. Debian users, for example will not be able to just "apt-get install nginx-unit", but have to build packages or switch Linux distributions.
Here are some efforts for running Nginx unit on Docker: