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Docker and OpenStack By @BlueBox | @DevOpsSummit [#DevOps #Docker #OpenStack]

Docker--an open source technology--is as fresh and cool now as OpenStack was a few years ago

Docker Docker Docker OpenStack

When OpenStack aficionados gather in Vancouver in a couple of weeks, one of the hot topics will be containers, a "new" alternative to virtualization. Actually, container technology has been around for a couple of decades, but it is trending among the IT community at a fever pitch these days and stands to have a huge impact on the future of cloud computing.The appeal of container technology is easy to appreciate. In a nutshell, containers can enable you to run many more applications on the same hardware than using hypervisors and virtual machines, and they can greatly enhance the application development process with their portability and almost instantaneous startup time.

Docker...

One of the hottest container technologies is Docker. Docker--an open source technology--is as fresh and cool now as OpenStack was a few years ago.

Docker...

Described in simplest terms, Docker offers a lightweight way of packaging application code. A Docker container wraps up in a neat, portable package all the elements necessary to run an application, including many of the key components of the operating system. With containers' clever filesystem layering and unvirtualized access to resources, you can run many more containers--some say four to six times as many--on the same hardware as compared to the traditional use of hypervisors and virtual machines. Translation: You can use Docker technology to run oodles more apps and run them more efficiently on your same data center. Bottom line: significant cost savings.

Docker...

Plus, Docker containers are an app developer's dream because they greatly simplify the process of building, testing and deploying applications. Docker containers spin up rapidly and enable apps to be easily packaged, ported and run across machines virtually anywhere, including OpenStack clouds. These characteristics when used well can increase your velocity and reduce the time it takes to take features from development through to production.

OpenStack!

Of course, you still need a cloud infrastructure management environment in which to orchestrate all those app containers, manage authentication, monitor physical infrastructure performance, attach to storage, provision networking, etc. Thus, the combination of Docker and OpenStack is the equivalent of a cloud powerhouse; all the tools and technologies for application development, deployment and lifecycle management.

...the combination of Docker and OpenStack is the equivalent of a cloud powerhouse...

Maturing rapidly and battle hardened, OpenStack is the perfect platform from which to run legacy and agile apps, whether you're running them on bare metal, traditional VMs or Linux containers. I look forward to digging into this topic at the OpenStack Summit Vancouver and hope you'll join me for "Docker Docker Docker OpenStack."

Tuesday, May 19
3:40 - 4:20 pm
Room 114/115

In this session, I'll describe a number of different ways to run Docker on Openstack (or Openstack on Docker, if you're truly crazy) and discuss the pros and cons of each method. We'll also discuss ways to operationalize Docker on OpenStack, and then, just for fun, we'll bust a few myths by exploring how existing legacy applications can benefit from being containerized. Read more about the agendahere.

I look forward to seeing you in Vancouver!

Read the original blog entry...

More Stories By Blue Box Blog

Founded in 2003 by Jesse Proudman, Blue Box offers Blue Box Cloud—a managed Private Cloud as a Service (PCaaS) product available in both hosted and on-prem versions, powered by OpenStack.

Blue Box employees bring a wealth of diverse, in-depth operational experience to each customer installation of our unique hosted private cloud offering. Think of Blue Box team as your application’s lifeline.

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The standardization of container runtimes and images has sparked the creation of an almost overwhelming number of new open source projects that build on and otherwise work with these specifications. Of course, there's Kubernetes, which orchestrates and manages collections of containers. It was one of the first and best-known examples of projects that make containers truly useful for production use. However, more recently, the container ecosystem has truly exploded. A service mesh like Istio addresses many of the challenges faced by developers and operators as monolithic applications transition towards a distributed microservice architecture. A tracing tool like Jaeger analyzes what's happening as a transaction moves through a distributed system. Monitoring software like Prometheus captures time-series events for real-time alerting and other uses. Grafeas and Kritis provide security polic...
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