WEBINAR Q&A: Modernize Traditional Applications with Docker Enterprise Edition

Apr 21 2017

This week at DockerCon, we announced the Modernize Traditional Applications (MTA) Program to help enterprises make their existing legacy apps more secure, more efficient and portable to hybrid cloud infrastructure. This webinar covers the importance of “WHY NOW and HOW” to start modernizing traditional applications with Docker Enterprise Edition. Legacy applications often serve critical business needs and have to be maintained for a long time. The maintenance of these applications can become expensive and very time consuming. Some applications may have been written decades ago, grown to millions of lines of code  and the team that built and deployed the app may no longer be at your company. That can pose a challenge for app maintenance, security and support. Docker Enterprise Edition and the Image2Docker Tool presents a unique opportunity to modernize these apps into containers to make them portable, more secure and cost efficient to operate.

View the recorded session below and read through some of the most popular questions

[youtube https://www.youtube.com/watch?v=IK3l9UhwOGU&w=854&h=480].

Modernizing Legacy Applications with Docker Enterprise Edition

Q: Do I need to follow all the steps in the exact sequential manner or do all of them to qualify as modernizing traditional applications?

A:  Outside of the first step of taking the existing app and converting it to a container with Image2Docker, the decision to refactor, automate or deploy to new infrastructure is up to you. You can strictly lift and shift some apps, while others are candidates for refactoring or to be completely re-written. Modernization can also include migrating to a more modern infrastructure or adding modern services to an existing app. With Docker, managing and deploying apps are straightforward whether it is a microservice or monolith.

Q: What kind of apps does image2Docker tool support and how do I get it?

A: Image2Docker is a free tool for use by Windows and Linux teams to convert apps to dockerfiles. Whether it’s a .NET application running on Windows or a Java or LAMP stack application running on Linux, Image2Docker will help taking an existing, deployed application and convert it to a dockerfile. Of course, not all apps are equal when it comes to converting to images.
For Windows: 2-3 tier IIS and ASP.NET applications ,limited external dependencies. For Linux:  2-3 tier Java apps running frameworks suited for isolation within container , LAMP stack apps,limited external dependencies.

Q: Is image2Docker a part of Docker Enterprise Edition?

A: No, image2Docker is a free open source tool available for download. Anyone interested in this use case can download the Linux or Windows version. A Linux and Windows Server version is available.

Q: How do I manage and deploy my apps securely at scale?

A: Docker Enterprise Edition (EE) is the platform for enterprise container management and security. It is an application-centric platform that can orchestrate, accelerate and secure applications across the entire software supply chain, from development to production running on any infrastructure. Docker EE is a single pane of glass to manage and deploy your apps at scale, securely and efficiently.

Q: How is Docker EE licensed and where can I see key features included in Docker EE tiers?

A: Docker EE is licensed per node. A node is an instance running on a bare metal or virtual server. Docker EE is available in three tiers: Basic, Standard and Advanced to address a wide range of requirements. For more details visit docker.wpsitekeep.com/pricing.

Q: Can Docker EE  run within my enterprise or is it only run externally?

A: Docker EE can be deployed on-premises or in your VPC.

Q: How do I modernize from monolith to microservices?

A: There is a lot of interest in microservices apps which are discrete, distributed and independently maintainable blocks of functionality. Many organizations have this as a goal and the reality is that the first step is to modernize that app into a single container. The next step is to start refactoring the app and overtime one container can become hundreds. A recommended best practice is to start with functionality that changes most frequently, target that for refactoring and most importantly test, test, test.  

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