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Context is King: Finding Service Boundaries

Having explicit service boundaries is one of the tenets of SOA. Defining correct services boundaries is critical. I believe it’s one of the most important aspects of developing a system is finding service boundaries and it’s also really easy to get wrong. This blog series is intended as a guide for finding service boundaries within a domain for the system you’re developing. Finding Service Boundaries through Language Autonomous Services Focus on Service Capabilities, not Entities 4+1 Architectural View Model What’s a Service? Before I get too far ahead, I better clarify what “service” means to me so we can be… Read More »Context is King: Finding Service Boundaries

Roundup #41: Apache Spark, Strongly Typed EntityIDs, Azure Workers, Automapper, NetCore3 Progress

Here are the things that caught my eye this week in .NET.  I’d love to hear what you found most interesting this week.  Let me know in the comments or on Twitter. Introducing .NET for Apache® Spark™ Preview Today at Spark + AI summit we are excited to announce .NET for Apache Spark. Spark is a popular open source distributed processing engine for analytics over large data sets. Spark can be used for processing batches of data, real-time streams, machine learning, and ad-hoc query. Link: https://devblogs.microsoft.com/dotnet/introducing-net-for-apache-spark/ Using strongly-typed entity IDs to avoid primitive obsession Have you ever requested an entity from a service (web API / database / generic service) and got… Read More »Roundup #41: Apache Spark, Strongly Typed EntityIDs, Azure Workers, Automapper, NetCore3 Progress

Using AWS Parameter Store for .NET Core Configuration

One of the aspects I love about .NET Core is the new configuration and options pattern. In a continuation from my last post on using AWS Parameter Store for Data Protection keys, you can imagine it is possible to use Parameter Store for .NET Core Configuration. Amazon.Extensions.Configuration.SystemsManager There is a package by AWS that facilitates making using Parameter Store incredibly easy. Simply add the Amazon.Extensions.Configuration.SystemsManager package to your project and use the AddSystemsManager extension method on IConfigurationBuilder The argument you pass to AddSystemsManager will be the prefix to your configuration hierarchy within Parameter Store. In my example, I’m using /Demo… Read More »Using AWS Parameter Store for .NET Core Configuration