Sample .NET Core Docker file

Here is a working example of a simple Docker file for a .NET Core 3.1 project

FROM mcr.microsoft.com/dotnet/core/sdk:3.1 AS build-env
WORKDIR /app

COPY project.csproj ./
RUN dotnet restore

COPY . ./
RUN dotnet publish -c Release -o out

FROM mcr.microsoft.com/dotnet/core/runtime:3.1

WORKDIR /app
COPY --from=build-env /app/out .

ENTRYPOINT ["dotnet", "project.dll"]

Benefits of Containers

What Are Containers?

Containers are a form of operating system virtualization. A single container might be used to run anything from a small microservice or software process to a larger application. Inside a container are all the necessary executables, binary code, libraries, and configuration files. Compared to server or machine virtualization approaches, however, containers do not contain operating system images. This makes them more lightweight and portable, with significantly less overhead. In larger application deployments, multiple containers may be deployed as one or more container clusters. Such clusters might be managed by a container orchestrator such as Kubernetes.

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API Gateway in ASP.NET Core

Working with a good technical architecture you’ll soon need to work with an API Gateway. There are many industrial solutions for large scale system giving full control and logging, such as Apigee or Software AG, but these, of course, cost a business

In this article, I’ll look at possible homegrown API’s within ASP.NET Core, which give you a lot of features without the need to pay third parties.

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NET Microservices Architecture for Containerised NET Applications

I came across this guide as it is an introduction to developing microservices-based applications and managing them using containers. It discusses architectural design and implementation approaches using .NET Core and Docker containers. To make it easier to get started with containers and microservices, the guide focuses on a reference containerized and microservice-based application that you can explore. The sample application is available at the eShopOnContainers GitHub repo.

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