An Open View

Practical persistent cloud storage for Docker in AWS using RexRay - pt 1

Posted by Eric Noriega

Jul 18, 2017 2:18:22 PM Docker Containers, Amazon Web Services, aws, RexRay, Container Storage

RexRay plugin

RexRay is a plugin module available for use with Docker which provides the ability to use shared storage as a Docker volume. It is quick to setup and provides near seamless data sharing between containers. We review it's basic design and detail tips for it's use in the AWS environment. The plugin design supports many different environments.


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Regression Testing With docker-compose

Posted by Doug Toppin

Jul 5, 2017 3:21:28 PM Node js, Docker, Docker Containers, docker compose, regression testing, Continuous Integration, cicd

Most systems are composed of multiple applications. An orchestration mechanism is needed to start the applications when needed and in the correct order. A typical modern application may consist of a database such as MongoDB and a web service implemented using NodeJS. The web application may provide a number of API services accessible via a http ReST interface. Testing those services will require test tools that can send requests to the http interface and evaluate the results returned such as http status codes and response content.


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Docker on Windows 2016 : A simple webserver

Posted by Brian Keyes

Jun 22, 2017 11:14:00 AM Docker, Docker Containers, Azure, windows containers

 In our example today we are going to discuss how to create a simple web server (IIS) and run it in a container . We will also inject some of our custom HTML for the example. The prerequisite for this lab would be to have a Windows 2016 server running Docker.


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Docker on Windows Server: Dockerize SQL

Posted by Brian Keyes

Apr 25, 2017 9:40:00 AM Docker, Docker Containers, windows containers


Linux based apps can use MongoDB, MySQL or PostgreSQL in the form of Docker Linux Containers. Windows-based SQL Server containers are now supported with Windows Server 2016. Let's look at how you can create and connect to a MSSQL container in Azure and Windows.


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Another Simple Windows Container Image and Instance Example

Posted by Brian Keyes

Apr 18, 2017 11:09:09 AM Docker, Docker Containers, windows containers


Once we have created the Windows 2016 server, we can logg into the Azure Portal and connect to the instance via RDP.  For our example, we will be creating a folder structure where at the root of C:/, there is a folder called “dockerlabs”. Under the c:/dockerlabs folder, we will also create the folder “env”.In this blog post, we will be outlining the concept “Dockerfile” and create a simple example to highlight the difference between container images and instances.  Of course, before we first need to make sure that we are using a Windows 2016 Server with containers feature enabled.  These are the steps shown in my previous article - "Deploying a Simple Windows Container in Azure".

 


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Deploying a Simple Windows Container in Azure

Posted by Brian Keyes

Apr 13, 2017 9:35:42 AM Docker, Docker Containers, Azure, windows containers

With the release of Windows Server 2016, Microsoft has expanded its integration with Docker to include running Docker Windows Containers.  As I mentioned in my previous article, this now means that there we can now run both Docker FOR Windows and Docker ON Windows.

There are several prerequisites for installing Docker for Windows. Fortunately, Microsoft Azure already has a Windows Server 2016 with a containers template that will satisfy those requirements for you. We will go through an exercise to demonstrate what a general implementation of Docker for Windows would look like if you elected to use Azure for your computing needs.


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Be Specific When Inspecting Docker Objects

Posted by Doug Toppin

Apr 12, 2017 7:42:00 AM Docker, Docker Containers

Here is an interesting tidbit having to do with docker inspect. The inspect function will return metadata associated with the object identifier that you include. That object identifier may be a container id, image id, name or other resource.


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Docker FOR Windows vs. Docker ON Windows Server

Posted by Brian Keyes

Apr 11, 2017 9:47:00 AM Docker, Docker Containers, Azure, windows containers


Business demand to use “Docker FOR Windows Server” is ramping up faster than ever. There is a good chance some of your enterprise workloads are Windows-based. How can your business benefit from the introduction of Docker’s solution for Windows intensive environments?

Way back in 2014, Docker and Microsoft joined forces to bring Docker to local Windows Servers and Azure’s cloud offering.  That combination has clearly paid off.  This year at DockerCon17 (in Austin from April 17th to the 20th – hope to see you there!), all of the hands-on labs will be hosted in Microsoft Azure.      


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EdLogics Partners with Vizuri to Improve Health Literacy with Red Hat Cloud Solution

Posted by Zack Belcher

Jan 11, 2017 4:42:55 PM JBoss Middleware, Docker Containers, OpenShift, Ansible, Case Study

EdLogics is a company that provides innovative health education and learning management solutions to employers, health insurers, healthcare providers, and government agencies. EdLogics sought to partner with a company that would provide proven expertise to validate its business strategy and help design, develop, and deploy a modern application infrastructure. Vizuri worked with EdLogics to design and implement an application infrastructure that is modern and scalable for its health education-as-a-service (EaaS) platform. 

*    View Case Study


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Learning Docker: Using a container for a simple purpose

Posted by Doug Toppin

Feb 18, 2015 9:00:00 AM Docker Containers

Docker is a rapidly evolving facility with great utility. An excellent way to get started learning about it is using a building block process. This also allows you to learn the real world use of it by finding a way to use it for actual tasks that you have to perform.

Here is a simple example of this that you may find helpful: you are not running Linux but want to run something that is available on Linux. 

A practical case for that might be where you are unable to install a useful utility on your machine due to availability or restrictions. You could instead use Docker to temporarily run a Linux container and not change the actual state of your machine. This assumes that you already have Docker installed and working. Note that for this example we do not need to use a Dockerfile as we will only use an already existing public Ubuntu Linux image.


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