Building Docker Images with Dockerfiles
Building Docker Images with Dockerfiles
A Dockerfile serves as a text document containing all the commands required to assemble a Docker image. The docker build command processes these instructions to create an executable image. You can specify a Dockerfile from any location in your filesystem using the -f flag with the docker build command.
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Posted on Fri, 17 Jul 2026 17:27:25 +0000 by Naez
Building a Custom CentOS 6 LNP Image with Docker
Environment Setup
A single CentOS 6.5 virtual machine is required, along with febootstrap and docker intsalled.
Installing febootstrap
yum install -y yum-priorities && rpm -ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm && rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
yum -y install febootstrap ...
Posted on Thu, 07 May 2026 16:29:22 +0000 by mk_silence