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Microservices Using ASP.NET Core

The term microservices portrays a software development style that has grown from contemporary trends to set up practices that are meant to increase the speed and efficiency of developing and managing software solutions at scale. Microservices is more about applying a certain number of principles and architectural patterns as architecture. Each microservice lives independently, but on the other hand, also all rely on each other. All microservices in a project get deployed in production at their own pace, on-premise on the cloud, independently, living side by side.

Microservices Architecture

The following picture from Microsoft Docs shows the microservices architecture style.

There are various components in a microservices architecture apart from microservices themselves.

Management. Maintains the nodes for the service.

Identity Provider. Manages the identity information and provides authentication services within a distributed network.

Service Discovery. Keeps track of services and service addresses and endpoints.

API Gateway. Serves as client’s entry point. Single point of contact from the client which in turn returns responses from underlying microservices and sometimes an aggregated response from multiple underlying microservices.

CDN. A content delivery network to serve static resources for e.g. pages and web content in a distributed network

Static Content The static resources like pages and web content

Microservices are deployed independently with their own database per service so the underlying microservices look as shown in the following picture.

Monolithic vs Microservices Architecture

Monolithic applications are more of a single complete package having all the related needed components and services encapsulated in one package.

Following is the diagrammatic representation of monolithic architecture being package completely or being service based.

Microservice is an approach to create small services each running in their own space and can communicate via messaging. These are independent services directly calling their own database.

Following is the diagrammatic representation of microservices architecture.

In monolithic architecture, the database remains the same for all the functionalities even if an approach of service-oriented architecture is followed, whereas in microservices each service will have its own database.

Docker Containers and Docker installation

Containers like Dockers and others slice the operating system resources, for e.g. the network stack, processes namespace, file system hierarchy and the storage stack. Dockers are more like virtualizing the operating system. Learn more about dockers here. Open this URL and click on Download from Docker hub. Once downloaded, login to the Docker and follow instructions to install Docker for Windows.

Microservice using ASP.NET Core

This section will demonstrate how to create a Product microservice using ASP.NET Core step by step with the help of pictures. The service would be built using ASP.NET Core 2.1 and Visual Studio 2017. Asp.NET Core comes integrated with VS 2017. This service will have its own DBcontext and database with the isolated repository so that the service could be deployed independently.

https://www.codeproject.com/Articles/1276639/Microservice-using-ASP-NET-Core