> Docker helps you create a reproducible environment. You are able to specify the specific OS Not exactly ... containers use the host kernel, but the libraries

> Docker helps you create a reproducible environment. You are able to specify the specific OS Not exactly ... containers use the host kernel, but the libraries within the container. Also, global system settings can be changed at the system level. > Does Docker support target OSes other than Linux? I'd love to have a way to test on non-Linux OSes. Your target OS must support linux cgroups, etc. So no.