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Service Mesh: Istio and AWS App Mesh

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One of the big announcements at AWS re:Invent this week was the AWS App Mesh. Before talking about it though, let’s look at what the heck a mesh is anyway… What is a service mesh? A service mesh is an infrastructure layer for microservice architectures. It handles communication concerns between services, making that communication more visible (or “observable”) and manageable. More ...

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Top 5 announcements from AWS re:Invent 2018

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AWS re:Invent has just completed. It was a huge event with 50,000+ attendees across 7 of the biggest hotels in Vegas, and many new service announcements. Serverless continue to get lots of attention with new lambda enhancements and better container support. The “hybrid” model of using your own datacenter in conjunction with a cloud provider has been fully embraced by AWS ...

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AWS: Some Tips for Avoiding Those “Holy Bill” Moments

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Cloud is awesome: almost-100% availability, near-zero maintenance, pay-as-you-go, and above all, infinitely scalable. But the last two can easily bite you back, turning that awesomeness into a billing nightmare. And occasionally you see stories like: Within a week we accumulated a bill close to $10K. And here I unveil a few tips that we learned from our not-so-smooth journey of ...

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Serverless Security: Putting it on Autopilot

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Ack: This article is a remix of stuff learned from personal experience as well as from multiple other sources on serverless security. I cannot list down or acknowledge all of them here; nevertheless, special thanks should go to The Register, Hacker Noon, PureSec, and the Serverless Status and Serverless (Cron)icle newsletters. We all love to imagine that our systems are ...

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Moving Host Cobol Batches and Monolith Webapps to Cloud and Microservices

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Very interesting presentation in Amazon Event “From Mainframe to Microservices – Vanguard’s Move to the Cloud”. Following parts can be used as Migration Patterns: Different ways of how to move from Mainframe to Microservices: Re-host Reengineer Refactor Rewrite Batch job migration Data analytics enablement Data-driven augmentation Re-platform with Linux and Java Repurchase Retire Combination of all This presentation also shows the Cloud Data ...

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Jenkins on AWS (part 1)

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This are my verbatim notes to the PEAT UK podcast: Hello there once again to another hot shot. My name is Peter Pilgrim. I have been a DevOps specialist, welcome to another episode. This is hotshot 11 Jenkins n AWS part one, I have been a platform engineer and I am a Java Champion. In this episode, I am going ...

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A Caveat With AWS Shared Resources

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Recently I’ve been releasing a new build, as usual utilizing a blue-green deployment by switching the DNS record to point to the load balancer of the previously “spare” group. But before I switched the DNS, I checked the logs of the newly launched version and noticed something strange – continuous HTTP errors from our web frameworks (Spring MVC) that a ...

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The Promises, Payoff, and Products of Hybrid Clouds

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The cloud promised to provide us all flexibility. The opportunity to access infinite resources as and when we need them and pay accordingly. We would no longer have to spend time installing, configuring and maintaining servers; we were promised more time to “just code.” Instead, we got increasing vendor lock-in and a handful of cloud players so large that if ...

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Host your maven artifacts using Amazon s3

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If you use amazon Web Services and you use Java for your projects then Amazon S3 is a great place to host your teams artifcats. It is easy to setup and pretty cheap. Also it is much simpler than setting one of the existing repository options (jfrog, nexus, archiva etc) if you are not particularly interested in their features. To ...

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