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Less Than Dot is a community of passionate IT professionals and enthusiasts dedicated to sharing technical knowledge, experience, and assistance. Inside you will find reference materials, interesting technical discussions, and expert tips and commentary.

Browsing "Cloud"

Streaming Alerts using AWS Lambda, Kinesis, and DynamoDB

Recently I was talking to some friends about alerting on complex streaming data. Between some past event processing work we had done and earlier experience aggregating real-time manufacturing data, I was thinking a lot about projecting and evaluating results as we go versus querying the for results on some frequency. It seemed like a realistic […]

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Serverless HTTP + Kinesis Lambdas with Offline Development

Lately I’ve been exploring an idea around applying custom, user-defined rules to streams of events. I’m using a combination of technologies, but the core is a FaaS setup that I can run locally that utilizes the serverless package to deploy AWS Lambda functions that consume events from a Kinesis stream. I prefer the speed of […]

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Deploying to ServiceFabric from TeamCity

Recently I’ve been working on an application that runs partially in Azure ServiceFabric. I’ve created a local cluster to work against and now it’s time to configure my TeamCity deployment to deploy upgrades to my application automatically. Initial details: Deploying 2 projects: a .Net 4.6.2 ASP.Net Core app to web app .Net 4.6.2 ServiceFabric project […]

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Creating a local Service Fabric Cluster

Working with Service Fabric and want a local cluster to test and develop against? Here’s the step-by-step path I took from a set of fresh Windows VMs to a running, secured Service Fabric cluster using self-signed X509 certificates. There are a number of Microsoft docs that cover this subject, this is a single beginning-to-end path […]

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Using Azure Functions to add a Contact Form to a Static Site

My personal website is a static site: 100% HTML, JS, and CSS files with no server-side processing. I have custom code that pulls data from a variety of sources and builds updated versions of the files from templates, which are then deployed to the host. I do this to move the CPU latency of building […]

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CSV file to API using Azure Functions (CSVaaS)

We’re living in the future. During a conversational aside the other day, the CEO recounted a story of someone he met that was willing to throw money at a product to make it easy to save an excel file and have it surface as an API. A few years ago that was server provisioning and […]

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Learn about SQL Server in Azure in Madison, WI

You: curious about Azure, wondering if it’s right for your organization. You run some SQL Server databases, but don’t know if you would use a VM in Azure, or should jump into an Azure SQL Database. You know there are some differences and complexities, but aren’t sure how to work with them. Me: ready to […]

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Distributed Storage: How SQL Azure Replicas Work

One of the benefits of Microsoft SQL Azure over an on-premises or VM installation is built-in resiliency. In a typical on-premises/VM installation your database lives on a single server, with all the single points of failure that brings to mind. SQL Azure, on the other hand, always has 3 or more replicas assigned for each […]

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Real World Azure: Lease Container bug in Azure Storage API

Recently we’ve been working with the raw Azure Storage API to try and get to a more stable solution then the far more aggressively changing Azure Storage SDK. One of the goals is to be able to work equally well locally, against the emulator, and in production. We’re used to cases where the Emulator diverges […]

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Automated Deployment to Azure Hosted Services

Azure Hosted Services offers several really awesome features over using physical servers or standard VM infrastructure. Two of these are the staged deployment model and management SDK, which includes a powershell module. Using these two features, we are going to build a deployment script that deploys a new set of services (servers) in Azure, using […]

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