Nodechecker.com engine, each node running docker must have this engine running.
####Usage With balancer: node main.js machine_ip balancer_ip
Single engine: node main.js
###Nodechecker projects:
Nodechecker engine https://github.com/apocas/nodechecker-engine
Nodechecker NPM crawler https://github.com/apocas/nodechecker-crawler
Nodechecker balancer https://github.com/apocas/nodechecker-balancer
Container/test abstraction https://github.com/apocas/nodechecker-tester