Testing, Deployment, and Maintenance Resources

Sample Microservices Application Running on Kubernetes

This example application will help you learn how to deploy a microservice to a Kubernetes cluster and install the Instana agent for monitoring.

April 5, 2018

by Steve Waterworth

· 22,914 Views · 9 Likes

Rails RSpec Setup

Looking for a new testing framework that works well with BDD? Read on to learn about RSpec and the advantages it has for Ruby devs!

April 5, 2018

by Kristina Garcia Francisco

· 11,044 Views · 2 Likes

SOLID Principles: Open/Closed Principle

This next SOLID tutorial focuses on the 'O' — the open/closed principle. See how to design code to be open for extension but closed for modification.

April 5, 2018

by Emmanouil Gkatziouras

CORE

· 22,590 Views · 20 Likes

Deploying a Spring Boot App With MySQL on OpenShift

Take a look at this tutorial that shows you how run your Spring Boot application on Red Hat's Openshift on macOS, Windows, or Linux.

April 4, 2018

by Chandra Shekhar Pandey

· 9,810 Views · 5 Likes

A Detailed Guide to EJBs With Code Examples

EJBs can be a little confusing if you don't know the ins and outs with a certain degree of clarity. Let's take a closer look at them with the help of some examples.

April 4, 2018

by Eugen Paraschiv

· 55,287 Views · 25 Likes

Elasticsearch Tutorial: Creating an Elasticsearch Cluster

This tutorial will provide some information on how to set up an Elasticsearch cluster and will add some operational tips and best practices to help you get started.

April 4, 2018

by Daniel Berman

· 68,434 Views · 11 Likes

Monitoring Kubernetes Architecture

Monitoring is essential to have visibility into your clusters. Learn how to set up effective monitoring with Telegraf in a Kubernetes architecture.

April 4, 2018

by Gianluca Arbezzano

· 13,070 Views · 9 Likes

Hexagonal Architecture - It Works

Learn what hexagonal software architecture is and how it helps developers build more resilient systems and make automated testing easier.

April 3, 2018

by Ron Kurr

· 18,523 Views · 5 Likes

How an API-in-a-Box Can Deliver Data Analytics Nirvana

The field of API for data analytics is still new, but to be successful in the long term, it’s an approach that we vehemently advocate. Give it a try.

April 3, 2018

by Wolf Ruzicka

· 7,265 Views · 1 Like

How Have Microservices Orchestrated a Difference in System Architecture?

This article goes over the ways software architecture changes due to microservices, and how these services communicate.

April 3, 2018

by Puneet Mishra

· 6,735 Views · 4 Likes

Top 10 Free Docker Courses for Java Developers and DevOps Engineers

Check out these courses that will teach you the essentials of using Docker, whether you are a developer, project manager, or hobby coder.

April 3, 2018

by Javin Paul

· 19,519 Views · 23 Likes

The Top 5 New Features in Java EE 8

Java EE 8 brings with it a lot of goodness, so let's take a look at the top five of these new features!

April 3, 2018

by Alex Theedom

· 32,405 Views · 31 Likes

Message Queuing (Kafka and Zookeeper) for Microservices and ML Solutions Pipelines

This article demonstrates the basic flow of using Apache Kafka and Zookeeper for microservice communications and how to get started.

Updated April 2, 2018

by Sudip Bhandari

· 13,317 Views · 8 Likes

Mocking SecurityContext in Jersey Tests

Jersey can be used to write integration tests for REST APIs. In this tutorial, you'll learn how to mock a SecurityContext in your tests.

April 2, 2018

by Sandra Parsick

· 9,056 Views · 3 Likes

How to Deploy an Angular Application to GitHub

Learn how to create a basic calculator application in Angular, and then deploy that applicaiton to GitHub so other devs can use the code!

April 2, 2018

by Dhananjay Kumar

· 116,984 Views · 10 Likes

How to Create a Kubernetes Cluster on AWS in Few Minutes

While we await the release of Kubernetes's EKS management service, we've compressed the installations of K8s into a few simple steps.

April 2, 2018

by Imesh Gunaratne

· 14,583 Views · 4 Likes

The Open/Closed Principle and Strategy Pattern

This refresher of SOLID principles focus on the 'O,' the Open/Closed Principle, and examines how the strategy pattern synergizes with it.

April 2, 2018

by Ioan Tinca

· 64,413 Views · 24 Likes

Architecting API Management Solutions With WSO2 API Manager, Part 2

To wrap up this series, we explore the designing the deployment architecture and how to make the proper infrastructure selection for your API.

April 1, 2018

by Imesh Gunaratne

· 8,772 Views · 3 Likes

Top 10 Testing Frameworks and Libraries for Java Developers

Want to up your automation testing game? Here are overviews of 10 great testing frameworks and libraries and preferred use cases.

April 1, 2018

by Javin Paul

· 187,123 Views · 59 Likes

DevOps KPI in Practice — Chapter 1 — Deployment Speed, Frequency, and Failure

This article discusses in detail the different deployment metrics in each DevOps KPI and how to collect and measure the data for effective deployment.

March 31, 2018

by Fabio Jose Moraes

· 18,283 Views · 17 Likes

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