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Docker Challenges and Misconceptions

Previously, we discussed the main reasons why Docker can be useful to the enterprise. So why aren’t all large companies using Docker already? A large part of the reason are the misconceptions surrounding Docker. We’ll touch on four of them in this post before we wrap up with some suggestions about how to move forward with Docker at the enterprise ...

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Persistent Storage for Docker Containers

In this week’s Whiteboard Walkthrough, Dale Kim, Sr. Director of Industry Solutions at MapR, describes how MapR addresses the challenge of providing a persistence tier to containers in big data settings. Dale describes a new technology to support Docker containers, the MapR Persistent Application Client Container, or PACC. This lets you deploy containers anywhere, with security enabled, while also providing ...

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Dockerizing an existing Rails application

Docker is a relatively new and rapidly growing project that allows creating very light “virtual machines”. Prerequisites There are no specific skills needed for this tutorial beyond a basic comfort with the command line and using a text editor. The following services are needed: Docker Hub (Login – Signup if you haven’t ) A Rails application Setting up your computer Getting ...

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Docker Benefits for the Enterprise

When it comes to application infrastructure, containerization is king. What was once the hot new thing in the DevOps wild west is now maturing into a more stable and widely adopted technology. But despite this growing popularity, it’s still a young technology and as with all things new, adoption can be overwhelming — especially for large companies that already have ...

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Set up your own Continuous Delivery stack

Last week I wanted to try new things with ‘pipeline as code’ with Jenkins. The best way to try new things is running it as Docker containers. This way I can keep my MacBook clean and don’t mess up existing stuff I am working on (also see this article about what Docker can offer for a developer). Another big advantage ...

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Docker 1.13 Management Commands

Docker 1.13 was released yesterday, congratulations! A quick summary of the key features: Compose file to deploy Swarm mode services Improved CLI backwards compatibility Clean-up commands CLI restructured Monitoring and Build improvements Learn more details about these features in this video [email protected]:     Getting Started with Docker 1.13 Use Docker for Mac or Windows to get started. Once installed, the version ...

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Deploy Docker Compose Services to Swarm

Docker 1.13 introduced a new version of Docker Compose. The main feature of this release is that it allow services defined using Docker Compose files to be directly deployed to Docker Engine enabled with Swarm mode. This enables simplified deployment of multi-container application on multi-host.               This blog will show use a simple Docker Compose file ...

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AWS Serverless Lambda Scheduled Events to Store Tweets in Couchbase

This blog has explained a few Serverless concepts with code samples: Serverless FaaS with AWS Lambda and Java AWS IoT Button, Lambda and Couchbase Microservice using AWS API Gateway, AWS Lambda and Couchbase Microservice using AWS Serverless Application Model and Couchbase This particular blog entry will show how to use AWS Lambda to store tweets of a tweeter in Couchbase. Here are the high level ...

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