Containers. I setup Ubuntu on cloud servers and use lxc for containers e.g. web, database servers. I could literally copy a folder running my container and be

Containers. I setup Ubuntu on cloud servers and use lxc for containers e.g. web, database servers. I could literally copy a folder running my container and be up and running on another provider. The only other moving parts are nginx on the Ubuntu host proxying to it's own containers.