BASTA! 2018: Docker – Warum die Zukunft im Container stattfindet
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This document discusses containers and microservices. It provides an overview of containers, how they isolate applications and share operating systems resources. It also discusses using containers to deploy applications and how orchestration tools can manage large numbers of containers across clusters.
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BASTA! 2018: Docker – Warum die Zukunft im Container stattfindet
- 6. Write Code Customer use the code Write Code Customer use the code
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- 16. ▪ Versioned artifact ▪ Isolated deployable unit ▪ Container image is bit by bit identical when deployed ▪ Abstraction of data center resources ▪ ▪ Orchestration is “Cattle Business” ▪ ▪
- 17. 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 AppA AppA’ AppB AppB’ AppB AppB’ AppB AppB’ Containers are isolated, but share OS and, where appropriate, bins/librariesBins/Libs Image Source: https://sec.ch9.ms/sessions/build/2016/B822.pptx
- 18. 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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- 23. LinuxWindows 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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- 37. 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"]
- 38. docker build –t <reponame>:<tag> . docker image ls REPOSITORY TAG IMAGE ID HelloWorld latest 326387cea398
- 45. Developer PC / Laptop Docker Engine Container Container Container
- 50. App1 App2
- 51. VSTS Build VSTS Release Management 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
- 52. VSTS Azure Resource Group DCOS Master DCOS Master Master Agent VSTS Agent App1 App1 App1 App1 App1 App2 Git Build Release Internet AzureLoadBalancer Ingress LeGo