On Software Architecture Decisions, Evolution and Engineering
Deliberate and thoughtful architectural decisions that solve real business problems and mitigate enough of the real risks, is the RIGHT and the MIDDLE PATH way to go.
Category: SOLID principles
Converting an ASP.NET Core MVC App to Blazor SPA – Part 3 (Authentication + Wrap up)
The central idea around Blazor auth is for the UI system to be able to query the authentication state of the user and render different views. Blazor uses AuthenticationStateProvider to query this auth state via the AuthorizeView component.
Converting an ASP.NET Core MVC App to Blazor SPA – Part 2 (The Frontend)
Given the fact that there is no shortage of SPA frameworks and libraries like Angular, React, Vue, Knockout ad inifitum, for building the new frontend app for my app, I decided to go with Blazor.
Converting an ASP.NET Core MVC App to Blazor SPA – Part 1 (The Backend)
I have a personal expense tracking app that for the last few months I’d been working to migrate away from MVC towards more modern client apps whilst reusing the backend code and logic.
Mars Rover Programming Kata using DDD+TDD+Ports and Adapters
A few weeks ago I came across this Mars Rover programming challenge/kata and being a bit of a space buff, I thought I will take a crack at it.
Some Heuristics for Mocking vs State Verification in TDD
In this post I will share some of the TDD heuristics that I have found useful on when you should use mocking to verify interactions and when should you resort to state verification.
Implementing Hexagonal Ports and Adapters Architectural Style
Many articles talk about the what of this style but in my view, not enough talk about the how. In this post, I am going to try and show one way to actually structure the solution to be more in line with the hexagonal ports and adapters style.
Implementing Pipes & Filters Architectural Style With Azure WebJobs
…the whole business process can be divided into smaller asynchronous sub-processes with each one feeding i.e. “piping” its output into the input of the subsequent process(es). At each stage some processing is done for e.g. data enriching, filtering etc and this processing generically is termed as a “filter”.
Using DispatchProxy for Centralised Structured Logging in ASP.NET Core
The way logging and instrumentation in code has traditionally been done is something like the below, say, I want to profile my application service method called “PeriodCloseReportAsync()” that gets called … Continue reading Using DispatchProxy for Centralised Structured Logging in ASP.NET Core
JWT Token Authentication with Cookies in ASP.NET Core
In this post I will show one way to mix JWT Token authentication with cookie authentication using ASP.NET Core and send out the JWT in a response cookie.
Dynamically Mapping Tenant Requests to Tenant Databases in Multi-Tenant Web Applications
In a multi-tenant environment the application database is usually partitioned by tenants. This is done to achieve isolation and scalability. The problem of course is how do you route tenant requests to the correct databases?
Building Domain Driven Architecture in .NET – Part 3 (Repository Design)
In part 2, I talked about my domain modeling thought process so this post is about trying to persist those objects for long term storage. Although the avenue for different … Continue reading Building Domain Driven Architecture in .NET – Part 3 (Repository Design)
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