Run examples in Docker

Examples/.dockerignore

@@ -0,0 +1,25 @@
+**/.classpath
+**/.dockerignore
+**/.env
+**/.git
+**/.gitignore
+**/.project
+**/.settings
+**/.toolstarget
+**/.vs
+**/.vscode
+**/*.*proj.user
+**/*.dbmdl
+**/*.jfm
+**/azds.yaml
+**/bin
+**/charts
+**/docker-compose*
+**/Dockerfile*
+**/node_modules
+**/npm-debug.log
+**/obj
+**/secrets.dev.yaml
+**/values.dev.yaml
+LICENSE
+README.md

Examples/GroupDocs.Viewer.Examples.CSharp.Core/Dockerfile

@@ -0,0 +1,49 @@
+# Navigate to 'Examples' folder
+# Build container image with `docker build -f "GroupDocs.Viewer.Examples.CSharp.Core\Dockerfile" -t groupdocs-viewer:examples .`
+# Run container `docker run -it --rm -v ${pwd}/Output:/app/Output groupdocs-viewer:examples`
+# Or run 'Docker' profile in Visual Studio
+
+FROM mcr.microsoft.com/dotnet/runtime:3.1-bionic AS base
+WORKDIR /app
+
+# begin install libgdiplus and dependencies
+RUN apt-get update \
+    && apt-get install -y \
+        apt-transport-https \
+        dirmngr \
+        gnupg \
+        ca-certificates
+
+RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 3FA7E0328081BFF6A14DA29AA6A19B38D3D831EF \
+    && echo "deb https://download.mono-project.com/repo/ubuntu stable-bionic main" >> /etc/apt/sources.list.d/mono-official-stable.list
+
+RUN apt-get update \
+    && apt-get install -y --allow-unauthenticated \
+        libc6-dev \
+        libgdiplus \
+        libx11-dev
+
+# begin ttf-mscorefonts-installer
+RUN echo "ttf-mscorefonts-installer msttcorefonts/accepted-mscorefonts-eula select true" | debconf-set-selections \
+	&& apt-get update \
+    && apt-get install -y \
+        libfontconfig1 \
+        xfonts-utils \
+		ttf-mscorefonts-installer
+# end ttf-mscorefonts-installer
+
+FROM mcr.microsoft.com/dotnet/sdk:3.1-bionic AS build
+WORKDIR /src
+COPY ["GroupDocs.Viewer.Examples.CSharp.Core/GroupDocs.Viewer.Examples.CSharp.Core.csproj", "GroupDocs.Viewer.Examples.CSharp.Core/"]
+RUN dotnet restore "GroupDocs.Viewer.Examples.CSharp.Core/GroupDocs.Viewer.Examples.CSharp.Core.csproj"
+COPY . .
+WORKDIR "/src/GroupDocs.Viewer.Examples.CSharp.Core"
+RUN dotnet build "GroupDocs.Viewer.Examples.CSharp.Core.csproj" -c Release -o /app/build
+
+FROM build AS publish
+RUN dotnet publish "GroupDocs.Viewer.Examples.CSharp.Core.csproj" -c Release -o /app/publish
+
+FROM base AS final
+WORKDIR /app
+COPY --from=publish /app/publish .
+ENTRYPOINT ["dotnet", "GroupDocs.Viewer.Examples.CSharp.Core.dll"]

Examples/GroupDocs.Viewer.Examples.CSharp.Core/GroupDocs.Viewer.Examples.CSharp.Core.csproj

@@ -3,12 +3,15 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>netcoreapp3.1</TargetFramework>
+    <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
   </PropertyGroup>
 
   <Import Project="..\GroupDocs.Viewer.Examples.CSharp\GroupDocs.Viewer.Examples.CSharp.projitems" Label="Shared" />
 
   <ItemGroup>
     <PackageReference Include="GroupDocs.Viewer" Version="21.12.0" />
+    <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.11.1" />
+    <PackageReference Include="SkiaSharp.NativeAssets.Linux.NoDependencies" Version="2.80.3" />
   </ItemGroup>
 
-</Project>
+</Project>

Examples/GroupDocs.Viewer.Examples.CSharp.Core/Properties/launchSettings.json

@@ -0,0 +1,10 @@
+{
+  "profiles": {
+    "GroupDocs.Viewer.Examples.CSharp.Core": {
+      "commandName": "Project"
+    },
+    "Docker": {
+      "commandName": "Docker"
+    }
+  }
+}

Examples/GroupDocs.Viewer.Examples.CSharp.Core/RunExamples.cs

@@ -237,7 +237,6 @@ static void Main()
 
             Console.WriteLine();
             Console.WriteLine("All done.");
-            Console.ReadKey();
         }
     }
 }

Examples/GroupDocs.Viewer.Examples.CSharp/TestFiles.cs

@@ -1,4 +1,6 @@
-using System.IO;
+using System;
+using System.IO;
+using System.Runtime.InteropServices;
 
 namespace GroupDocs.Viewer.Examples.CSharp
 {
@@ -151,7 +153,14 @@ public static class TestFiles
         public static string SAMPLE_CHM =>
              GetSampleFilePath("sample.chm");
 
-        private static string GetSampleFilePath(string filePath) =>
-           Path.Combine(Utils.SamplesPath, filePath);
+        private static string GetSampleFilePath(string filePath)
+        {
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+                return Path.Combine(Utils.SamplesPath, filePath);
+
+            var assembly = System.Reflection.Assembly.GetEntryAssembly();
+            var entryAssemblyDirectory = Path.GetDirectoryName(assembly.Location);
+            return Path.Combine(entryAssemblyDirectory, Utils.SamplesPath, filePath);
+        }
     }
 }