Monitoring the health of your application in production is a crucial aspect of software development because at any given point in time, you want to be reasonably certain about how your business critical application is performing and you want to be alerted to any problems that might be brewing up in the application before your customers do.
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.
…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”.
I attended my first ever developer conference (Techorama) in Belgium this past week (May 23-May 24, 2018) and it has to be said, it was much more exciting than I thought it would be…
Strangler pattern is a way of migrating from legacy applications to new ones with both being operational at the same time and the upgrade happening behind the scenes gradually.
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
Seeing as micro-service architectures are all the rage these days, I decided to dip into it by building…
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.
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?
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)
In part 4, I detailed the way I went about creating application services for my expense tracking application. In this final post, I will talk about the ASP.NET Core MVC … Continue reading Building Domain Driven Architecture in .NET – Part 5 (ASP.NET Core App)
Application services can be loosely compared with the business logic layer of the yesteryear with one key difference, application services don’t actually contain any business logic neither they enforce any business logic.