.NET Conf.local Switzerland 2018: Docker for ASP.NET (Core) Developers by Marc Müller

Docker is an ideal artifact format for the delivery of applications. The standardized interfaces reduce complexity on the side of operations, but new tasks are now being added on the development side. What this means in detail is explained in this presentation, as well as the technical basics and best practices for docker based development.

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2. Marc Müller Principal Consultant @muellermarc
5. https://twitter.com/dberkholz/status/689211852157407233
6. Write Code Customer use the code Write Code Customer use the code
7. 100 deployments per day!
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13. Orders Products DAL Order Data Product Data BL Order Logic Product Search Product Logic UI Admin UI
14. API Gateway / Proxy Order Service Orders Order Data Order Logic Customer UI Admin UI Product Search Service Products Product Data Product Search Product Service Products Product Data Product Search Message Queue
18. ▪ Versioned artifact ▪ Isolated deployable unit ▪ Container image is bit by bit identical when deployed ▪ Abstraction of data center resources ▪ ▪ Orchestration is “Cattle Business” ▪ ▪
19. Server Host OS Hypervisor Server Host OS Docker Engine Guest OS Guest OS Guest OS Bins/Libs Bins/Libs App A App A’ App B Bins/Libs Bins/Libs App A App A’ App B App B’ App B App B’ App B App B’ Containers are isolated, but share OS and, where appropriate, bins/libraries Bins/Libs Image Source: https://sec.ch9.ms/sessions/build/2016/B822.pptx
20. My ASP.NET Core Application microsoft/dotnet:2.1.4- aspnetcore-runtime microsoft/dotnet:2.1-runtime- deps-alpine3.7 alpine:3.7
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25. Linux Windows Process Linux Container Virtual Machines Process Windows Server Container Hyper-V VMs Hyper-V Container Quotas, Limits Added Isolation Kernel Kernel Faster, more efficient More isolated, more secure Source: Mark Fussel (Microsoft), Azure Service Fabric - Build always-on, hyper-scalable, microservice-based cloud applications
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33. FROM microsoft/dotnet:2.1-aspnetcore- runtime WORKDIR /app COPY output/app . ENTRYPOINT ["dotnet", "HelloWorld.dll"] FROM microsoft/dotnet:2.1-aspnetcore-runtime AS base WORKDIR /app EXPOSE 80 FROM microsoft/dotnet:2.1-sdk AS build WORKDIR /src COPY ["HelloWorld/HelloWorld.csproj", "HelloWorld/"] RUN dotnet restore "HelloWorld/HelloWorld.csproj" COPY . . WORKDIR "/src/HelloWorld" RUN dotnet build "HelloWorld.csproj" -c Release -o /app FROM build AS publish RUN dotnet publish "HelloWorld.csproj" -c Release -o /app FROM base AS final WORKDIR /app COPY --from=publish /app . ENTRYPOINT ["dotnet", "HelloWorld.dll"]
34. docker build –t <reponame>:<tag> . docker image ls REPOSITORY TAG IMAGE ID HelloWorld latest 326387cea398
37. Developer PC / Laptop Docker Engine Container Container Container
42. App1 App2
43. Build Pipeline Release Pipeline Docker Registry Build App Test Build Container Repo Container Info Deplyoment Config Publish to Target Host / Cluster Container Info Deplyoment Config Push Host / Cluster Pull Config Artifact
44. Azure DevOps Azure Resource Group DCOS Master DCOS Master Master Agent Agent App1 App1 App1 App1 App1 App2 Git Build Release Internet Azure Load Balancer Ingress LeGo
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