DockerHub is a free SaaS platform that can be used for storing and retrieving Docker images in public repositories. DockerHub also provides private registries, which is a paid service. However if we have a good…
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This document helps to mount a folder shared by a Windows server, to a folder in a CentOS container. Share a folder from the Windows server, so that it can be accessed from any other…
By default, when we deploy a container using an image, the container is supposed to have all files required to run, and do its job. Let us take an example of a basic appache server…
It is very important to backup databases deployed using containers. Else once the container stops, all data in it will be gone. For this exercise we will continue the example used in previous post that created…
The docker-compose is a CLI tool that automates some very long arguments we other wise will be passing to “docker run” command. This tool will also help us to start multiple containers at the same time. In real…
Like we can create an image from a Dockerfile, we can create a container from an image too. The steps to do that is as follows: Deploy a container from an image: [root@gw20-lap-doc1 sandbox]# docker…
This tutorial is a continuation of a previous post Docker: Installation and basics The command to run a container from an image is: [root@gw20-lap-doc1 ~]# docker run <image name> The command docker run image = docker…
A docker instance is good to run task in a small scale. However as the traffic increases, or when more processing power is required, when we want to scale-up the infrastructure, the way to move…
This tutorial will guide the reader to create a Docker image with apache web server running on a CentOS operating system. If you are new to Dockers, please click here to access the installation and…
This tutorial is aimed to teach one how to install Docker in CentOS 7 base host, and to perform basic tasks. Quick Notes: You cannot run a Windows based container on a Docker that is…