Sample Dockerfiles for Windows Server Core (#2428)

samples/aspnetapp/Dockerfile.windowsservercore-x64

@@ -0,0 +1,19 @@
+# https://hub.docker.com/_/microsoft-dotnet
+FROM mcr.microsoft.com/dotnet/sdk:5.0-windowsservercore-ltsc2019 AS build
+WORKDIR /source
+
+# copy csproj and restore as distinct layers
+COPY *.sln .
+COPY aspnetapp/*.csproj ./aspnetapp/
+RUN dotnet restore -r win-x64
+
+# copy everything else and build app
+COPY aspnetapp/. ./aspnetapp/
+WORKDIR /source/aspnetapp
+RUN dotnet publish -c release -o /app -r win-x64 --self-contained false --no-restore
+
+# final stage/image
+FROM mcr.microsoft.com/dotnet/aspnet:5.0-windowsservercore-ltsc2019 AS runtime
+WORKDIR /app
+COPY --from=build /app ./
+ENTRYPOINT ["aspnetapp"]

samples/aspnetapp/Dockerfile.windowsservercore-x64-slim

@@ -0,0 +1,29 @@
+# escape=`
+
+# https://hub.docker.com/_/microsoft-dotnet
+FROM mcr.microsoft.com/dotnet/sdk:5.0-windowsservercore-ltsc2019 AS build
+WORKDIR /source
+
+# copy csproj and restore as distinct layers
+COPY *.sln .
+COPY aspnetapp/*.csproj ./aspnetapp/
+RUN dotnet restore -r win-x64
+
+# copy everything else and build app
+COPY aspnetapp/. ./aspnetapp/
+WORKDIR /source/aspnetapp
+RUN dotnet publish -c release -o /app -r win-x64 --self-contained true --no-restore /p:PublishTrimmed=true /p:PublishReadyToRun=true
+
+# final stage/image
+# Uses the ltsc2019 release; 20H2, 2004, 1909, 1809, and ltsc2016 are other choices
+FROM mcr.microsoft.com/windows/servercore:ltsc2019 AS runtime
+WORKDIR /app
+COPY --from=build /app ./
+
+ENV `
+    # Configure web servers to bind to port 80 when present
+    ASPNETCORE_URLS=http://+:80 `
+    # Enable detection of running in a container
+    DOTNET_RUNNING_IN_CONTAINER=true
+
+ENTRYPOINT ["aspnetapp"]

samples/dotnetapp/Dockerfile.windowsservercore-x64

@@ -0,0 +1,17 @@
+# https://hub.docker.com/_/microsoft-dotnet
+FROM mcr.microsoft.com/dotnet/sdk:5.0-windowsservercore-ltsc2019 AS build
+WORKDIR /source
+
+# copy csproj and restore as distinct layers
+COPY *.csproj .
+RUN dotnet restore -r win-x64
+
+# copy and publish app and libraries
+COPY . .
+RUN dotnet publish -c release -o /app -r win-x64 --self-contained false --no-restore
+
+# final stage/image
+FROM mcr.microsoft.com/dotnet/runtime:5.0-windowsservercore-ltsc2019
+WORKDIR /app
+COPY --from=build /app .
+ENTRYPOINT ["dotnetapp"]

samples/dotnetapp/Dockerfile.windowsservercore-x64-slim

@@ -0,0 +1,22 @@
+# https://hub.docker.com/_/microsoft-dotnet
+FROM mcr.microsoft.com/dotnet/sdk:5.0-windowsservercore-ltsc2019 AS build
+WORKDIR /source
+
+# copy csproj and restore as distinct layers
+COPY *.csproj .
+RUN dotnet restore -r win-x64
+
+# copy and publish app and libraries
+COPY . .
+RUN dotnet publish -c release -o /app -r win-x64 --self-contained true --no-restore /p:PublishTrimmed=true /p:PublishReadyToRun=true
+
+# final stage/image
+# Uses the ltsc2019 release; 20H2, 2004, 1909, 1809, and ltsc2016 are other choices
+FROM mcr.microsoft.com/windows/servercore:ltsc2019
+WORKDIR /app
+COPY --from=build /app .
+
+# Enable detection of running in a container
+ENV DOTNET_RUNNING_IN_CONTAINER=true
+
+ENTRYPOINT ["dotnetapp"]

tests/Microsoft.DotNet.Docker.Tests/SampleImageTests.cs

@@ -34,7 +34,7 @@ namespace Microsoft.DotNet.Docker.Tests
                 .Select(imageData => new object[] { imageData });
         }
 
-        [SkippableTheory("windowsservercore-ltsc2019")]
+        [Theory]
         [MemberData(nameof(GetImageData))]
         public async Task VerifyDotnetSample(SampleImageData imageData)
         {
@@ -49,7 +49,7 @@ namespace Microsoft.DotNet.Docker.Tests
             });
         }
 
-        [SkippableTheory("windowsservercore-ltsc2019")]
+        [Theory]
         [MemberData(nameof(GetImageData))]
         public async Task VerifyAspnetSample(SampleImageData imageData)
         {

tests/Microsoft.DotNet.Docker.Tests/TestData.cs

@@ -86,8 +86,10 @@ namespace Microsoft.DotNet.Docker.Tests
             new SampleImageData { OS = OS.NanoServer2004, Arch = Arch.Amd64, IsPublished = true },
             new SampleImageData { OS = OS.NanoServer20H2, Arch = Arch.Amd64, IsPublished = true },
 
-            new SampleImageData { OS = OS.NanoServer20H2, Arch = Arch.Amd64, DockerfileSuffix = "nanoserver-x64" },
-            new SampleImageData { OS = OS.NanoServer20H2, Arch = Arch.Amd64, DockerfileSuffix = "nanoserver-x64-slim" },
+            new SampleImageData { OS = OS.NanoServer20H2,     Arch = Arch.Amd64, DockerfileSuffix = "nanoserver-x64" },
+            new SampleImageData { OS = OS.NanoServer20H2,     Arch = Arch.Amd64, DockerfileSuffix = "nanoserver-x64-slim" },
+            new SampleImageData { OS = OS.ServerCoreLtsc2019, Arch = Arch.Amd64, DockerfileSuffix = "windowsservercore-x64" },
+            new SampleImageData { OS = OS.ServerCoreLtsc2019, Arch = Arch.Amd64, DockerfileSuffix = "windowsservercore-x64-slim" },
         };
 
         public static IEnumerable<ProductImageData> GetImageData()