Running a Web Server Inside a Docker Container

Wikipedia defines Docker as an open source project that automates the deployment of applications inside software containers, which are nothing but isolated user space instances running on an operating system. Docker makes use of the resource isolation features provided by the underlying Linux kernel, such as cgroups and kernel namespaces, so that multiple isolated instances can run on a Linux kernel without having a hypervisor layer installed.

This article offers a few tips to overcome CentOS7 based Docker set-up problems when it’s operated behind a proxy. It tells you how to run a Web server inside a CentOS7 based container.