A Professional ASP.NET Core API - MassTransit/RabbitMQ

RabbitMQ is an open-source message-broker software that originally implemented the Advanced Message Queuing Protocol and has since been extended with a plug-in architecture to support Streaming Text Oriented Messaging Protocol, MQ Telemetry Transport, and other protocols.

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A Professional ASP.NET Core API - Feature Management

The .NET Core Feature Management libraries provide idiomatic support for implementing feature flags in a .NET or ASP.NET Core application. These libraries allow you to declaratively add feature flags to your code so that you don’t have to write all the if statements for them manually.

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A Professional ASP.NET Core API - Caching

Caching is a technique of storing the frequently accessed/used data so that the future requests for those sets of data can be served much faster to the client.

In other terms, you take the most frequently used data, which is also least-modified, and copy it temporary storage so that it can be accessed much faster for the future calls from the client. This awesome technique can boost the performance of your application drastically by removing unnecessary and frequent requests to the data source.

It is important to note that applications should be designed in a way that they never depend directly on the cached memory. The Application should use the cache data only if it is available. If the cache data has expired or not available, the application would ideally request the original data source.

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A Professional ASP.NET Core API - HealthCheck

ASP.NET Core offers Health Checks Middleware and libraries for reporting the health of app infrastructure components.

Health checks are exposed by an app as HTTP endpoints. Health check endpoints can be configured for a variety of real-time monitoring scenarios:

  • Health probes can be used by container orchestrators and load balancers to check an app’s status. For example, a container orchestrator may respond to a failing health check by halting a rolling deployment or restarting a container. A load balancer might react to an unhealthy app by routing traffic away from the failing instance to a healthy instance.
  • Use of memory, disk, and other physical server resources can be monitored for healthy status.
  • Health checks can test an app’s dependencies, such as databases and external service endpoints, to confirm availability and normal functioning.
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A Professional ASP.NET Core API - Paging

Paging refers to getting partial results from an API. Imagine having millions of results in the database and having your application try to return all of them at once.

Not only that would be an extremely ineffective way of returning the results, but it could also possibly have devastating effects on the application itself or the hardware it runs on. Moreover, every client has limited memory resources and it needs to restrict the number of shown results.

Thus, we need a way to return a set number of results to the client in order to avoid these consequences.

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A Professional ASP.NET Core API - MiniProfiler

MiniProfiler is a library and UI for profiling your application. By letting you see where your time is spent, which queries are run, and any other custom timings you want to add, MiniProfiler helps you debug issues and optimize performance.

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A Professional ASP.NET Core API - Serilog

Serilog is an alternative logging implementation that plugs into ASP.NET Core. It supports the same structured logging APIs, and receives log events from the ASP.NET Core framework class libraries, but adds a stack of features that make it a more appealing choice for some kinds of apps and environments.

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A Professional ASP.NET Core API - FluentValidation

FluentValidation is a A .NET library for building strongly-typed validation rules. It uses lambda expressions for building validation rules for your business objects.

If you want to do simple validation in asp.net mvc application then data annotations validation is good but in case if you want to implement complex validation then you need to use FluentValidation.

In the following we will see how it can be added to a project and how it works.

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A Professional ASP.NET Core API - Localization

Globalization and localization are two important concepts that you should be aware of to internationalize your applications. In essence, globalization and localization are concepts that help you reach a wider audience. The former relates to building applications that support various cultures and the latter relates to how you can build your application that can support a particular locale and culture. In other words, an application takes advantage of globalization to be able to cater to different languages based on user choice. Localization is adopted by the application to adapt the content of a website to various regions or cultures.

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