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Tag Archives: AWS

Dynamic Content Caching with AWS Lambda, S3 and AWS CloudFront

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Serving content quickly is essential for any website or application to have better customer experience. If you have hosted your website or application in AWS Cloud, then it’s very easy to serve the content quickly with lower latency irrespective of where your application is being accessed from. AWS offers CloudFront service for caching the content in edge locations local to ...

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Upload and Download files to S3 using maven

Throughout the years I’ve seen many teams using maven in many different ways. Maven can be used for many ci/cd tasks instead of using extra pipeline code or it can be used to prepare the development environment before running some tests.Generally it is convenient tool, widely used among java teams and will continue so since there is a huge ecosystem ...

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Reactive Spring Webflux with AWS DynamoDB

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AWS has released AWS SDK for Java version 2, the SDK now supports non-blocking IO for the API calls of different AWS services. In this post I will be exploring using the DynamoDB API’s of the AWS SDK 2.x and using Spring Webflux stack to expose a reactive endpoint – this way the application is reactive end to end and presumably ...

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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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