Home » Tag Archives: Microservices

Tag Archives: Microservices

Don’t jump on the microservices bandwagon

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A couple of weeks ago I was very fortunate to be able to attend the excellent GOTO Amsterdam conference. One of the tracks was all about microservices and since the company that I’ve been working for as a contractor for the last year is struggling to move to a (micro)service architecture, of course I just had to attend most of ...

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Using HAProxy as a reverse proxy for AWS microservices

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Amazon’s EC2 micro instances offer a very affordable option for hosting a Docker-based micro-services architecture. Each micro instance can host several Docker containers.  For example, you may have a simple Node.js-based web application that you would like exposed as subdomain1.myhost.com and another Java/Tomcat webapp surfaced at subdomain2.myhost.com. Each could be hosted through a separate (and perhaps clustered) Docker container, with ...

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Exploring Microservices Architecture on Heroku

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Building an application with a microservice architecture is an excellent long-term decision if you can afford the increase in upfront time investment to do it properly. Heroku provides a platform that most developers know for simple deployment, but it also dramatically simplifies microservices architecture. What are these “microservices” of which you speak? If you’ve been around web development before the ...

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The Real Success Story of Microservices Architectures

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We hear the benefits of microservices architectures loud and clear; we hear the constant drum beat of how/why/by all means/etc you should be doing microservices; we know companies such as Amazon, Netflix and Gilt have successful microservices architectures. However, as I’ve touched on in my blog post titled You’re not going to do microservices, getting microservices right – and being ...

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Microservices and DevOps Journey at Wix

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Wix.com started their journey on DevOps and Microservices about two years ago and recently switched from a monolithic application to a microservices-based application. Yes, it took them full two years to complete the transition from monolith to microservices! I got connected with Aviran Mordo (@aviranm), head of backend engineering at Wix on twitter.         @arungupta @Valdarez we at @WixEng are ...

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Learning Spring-Cloud – Writing a microservice

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Continuing my Spring-Cloud learning journey, earlier I had covered how to write the infrastructure components of a typical Spring-Cloud and Netflix OSS based micro-services environment – in this specific instance two critical components, Eureka to register and discover services and Spring Cloud Configuration to maintain a centralized repository of configuration for a service. Here I will be showing how I ...

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ZooKeeper for Microservice Registration and Discovery

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In a microservice world, multiple services are typically distributed in a PaaS environment. Immutable infrastructure, such as those provided by containers or immutable VM images. Services may scale up and down based upon certain pre-defined metrics. Exact address of the service may not be known until the service is deployed and ready to be used. This dynamic nature of service ...

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Monolithic to Microservices Refactoring for Java EE Applications

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Have you ever wondered what does it take to refactor an existing Java EE monolithic application to a microservices-based one? This blog explains how a trivial shopping cart example was converted to microservices-based application, and what are some of the concerns around it. The complete code base for monolithic and microservices-based application is at: github.com/arun-gupta/microservices. Read on for full glory! Java ...

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Rx-netty and Karyon2 based cloud ready microservice

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Netflix Karyon provides a clean framework for creating cloud-ready micro-services. In your organization if you use the Netflix OSS stack consisting of Eureka for service registration and discovery, Archaius for property management, then very likely you use Karyon to create your microservices. Karyon has been undergoing quite a lot of changes recently and my objective here is to document a ...

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Monolithic core vs full microservice architecture

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Martin Fowler recently released another article on microservices, specifically about the hype surrounding them. He states that though microservices are a hot topic right now, they add unnecessary complexity to systems that would do just fine with a single monolithic application built with good modularity. While I agree with his point that microservices do add complexity, especially when it comes ...

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