Address issues related to .NET containers

docs/core/docker/snippets/8.0/App/Dockerfile

@@ -1,15 +1,15 @@
-FROM mcr.microsoft.com/dotnet/sdk:8.0@sha256:35792ea4ad1db051981f62b313f1be3b46b1f45cadbaa3c288cd0d3056eefb83 AS build-env
+FROM mcr.microsoft.com/dotnet/sdk:8.0@sha256:35792ea4ad1db051981f62b313f1be3b46b1f45cadbaa3c288cd0d3056eefb83 AS build
 WORKDIR /App
 
 # Copy everything
 COPY . ./
 # Restore as distinct layers
 RUN dotnet restore
 # Build and publish a release
-RUN dotnet publish -c Release -o out
+RUN dotnet publish -c Release --property:PublishDir=out
 
 # Build runtime image
 FROM mcr.microsoft.com/dotnet/aspnet:8.0@sha256:6c4df091e4e531bb93bdbfe7e7f0998e7ced344f54426b7e874116a3dc3233ff
 WORKDIR /App
-COPY --from=build-env /App/out .
+COPY --from=build /App/out .
 ENTRYPOINT ["dotnet", "DotNet.Docker.dll"]

docs/core/docker/snippets/8.0/App/Program.cs

@@ -1,7 +1,9 @@
 var counter = 0;
 var max = args.Length is not 0 ? Convert.ToInt32(args[0]) : -1;
+
 while (max is -1 || counter < max)
 {
     Console.WriteLine($"Counter: {++counter}");
+
     await Task.Delay(TimeSpan.FromMilliseconds(1_000));
 }

docs/core/docker/snippets/9.0/App/Dockerfile

@@ -0,0 +1,15 @@
+FROM mcr.microsoft.com/dotnet/sdk:9.0@sha256:3fcf6f1e809c0553f9feb222369f58749af314af6f063f389cbd2f913b4ad556 AS build
+WORKDIR /App
+
+# Copy everything
+COPY . ./
+# Restore as distinct layers
+RUN dotnet restore
+# Build and publish a release
+RUN dotnet publish -c Release --property:PublishDir=out
+
+# Build runtime image
+FROM mcr.microsoft.com/dotnet/aspnet:9.0@sha256:b4bea3a52a0a77317fa93c5bbdb076623f81e3e2f201078d89914da71318b5d8
+WORKDIR /App
+COPY --from=build /App/out .
+ENTRYPOINT ["dotnet", "DotNet.Docker.dll"]

docs/core/docker/snippets/9.0/App/DotNet.Docker.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

docs/core/docker/snippets/9.0/App/Program.cs

@@ -0,0 +1,9 @@
+var counter = 0;
+var max = args.Length is not 0 ? Convert.ToInt32(args[0]) : -1;
+
+while (max is -1 || counter < max)
+{
+    Console.WriteLine($"Counter: {++counter}");
+
+    await Task.Delay(TimeSpan.FromMilliseconds(1_000));
+}

docs/core/docker/snippets/8.0/Worker/DotNet.ContainerImage.csproj → docs/core/docker/snippets/Worker/DotNet.ContainerImage.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Worker">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
     <UserSecretsId>dotnet-DotNet.ContainerImage-2e40c179-a00b-4cc9-9785-54266210b7eb</UserSecretsId>