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The 2015 Revision of the Eclipse Development Process

The Eclipse Foundation Board of Directors approved a new revision to the Eclipse Development Process in its meeting on November 2/2015. It took effect—replacing all previous versions—on December 2/2015. This is a minor revision that primarily updates the document to reflect the evolving reality of how our open source projects operate. We made, for example, some changes to the section on ...

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Blue-Green Deployment To Docker Swarm with Jenkins Workflow Plugin

The idea behind this article is to explore ways to deploy releases with Jenkins to Docker Swarm without downtime. We’ll use blue-green procedure. More info about the process and one possible implementation can be found in the Blue-Green Deployment, Automation and Self-Healing Procedure article. One of the downsides of the process we used in that article is Ansible itself. While ...

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Writing BDD tests with Cucumber JVM

Cucumber JVM as an excellent tool to write your BDD tests.In this article I would like to give an introduction to BDD with Cucumber JVM. Let’s get started… What is BDD?           In a nutshell, BDD tries to solve the problem of “understanding requirements with examples” BDD tools There are lot of tools available for BDD ...

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Real-Time Applications With RethinkDB

In the last several years, there have been new requirements and expectations placed on enterprise applications that have dramatically increased application code complexity. Users want dynamic websites that provide instant data feedback or to have multiple users work on the same document concurrently. New frameworks and ideas have also evolved along with the requirements to help cope with the new ...

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Docker Bridge and Overlay Network with Compose Variable Substitution

Docker Multi-Host networking allows you to create virtual networks and attach containers to them so you can create the network topology that is right for your application. Bridge networks can be created for single host and overlay networks can be created for multiple hosts. Creating application-specific networks provides complete isolation for containers. Docker Compose file can be targeted at a single ...

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DevOps and the Myth of Efficiency, Part I

This post is for those of you working in large companies or “enterprises” and are exploring what “DevOps” really means and why you’re struggling with it. I’ve decided to split this into a two-part post to make it easy to digest some of the thoughts here; I suspect I’ll be writing a lot here and build upon some of my ...

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“Network timed out” Docker error

One of the most dreaded errors seen during Docker workshops around the world is: Network timed out while trying to connect to https://index.docker.io/v1/repositories/library/couchbase/images. You may want to check your internet connection or if you are behind a proxy. Restarting Docker Machine is typically known to fix the issue. Lets say your machine name is couchbase-javaee. Machine can be restarted as: ...

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Java 8 Lambda Expression for Design Patterns – Decorator Design Pattern

The Decorator pattern (also known as Wrapper) allows behavior to be added to an individual object, either statically or dynamically, without affecting the behavior of other objects from the same class. It can be considered as an alternative to subclassing. We know that subclassing adds behavior at compile time and the change affects all instances of the original class. On ...

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