add dockerfile

IoTSharp/Dockerfile

+#See https://aka.ms/containerfastmode to understand how Visual Studio uses this Dockerfile to build your images for faster debugging.
+
+FROM mcr.microsoft.com/dotnet/core/aspnet:3.1-buster-slim AS base
+WORKDIR /app
+EXPOSE 80
+
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1-buster AS build
+WORKDIR /src
+COPY ["IoTSharp/IoTSharp.csproj", "IoTSharp/"]
+COPY ["IoTSharp.Extensions/IoTSharp.Extensions.csproj", "IoTSharp.Extensions/"]
+COPY ["IoTSharp.Extensions.AspNetCore/IoTSharp.Extensions.AspNetCore.csproj", "IoTSharp.Extensions.AspNetCore/"]
+RUN dotnet restore "IoTSharp/IoTSharp.csproj"
+COPY . .
+WORKDIR "/src/IoTSharp"
+RUN dotnet build "IoTSharp.csproj" -c Release -o /app/build
+
+FROM build AS publish
+RUN dotnet publish "IoTSharp.csproj" -c Release -o /app/publish
+
+FROM base AS final
+WORKDIR /app
+COPY --from=publish /app/publish .
+ENTRYPOINT ["dotnet", "IoTSharp.dll"]
\ No newline at end of file

IoTSharp/IoTSharp.csproj

@@ -20,6 +20,7 @@
     <PackageTags>IoT</PackageTags>
     <PackageIcon>https://avatars2.githubusercontent.com/u/44353254?s=200&amp;v=4</PackageIcon>
     <ApplicationIcon>Resources\Logo.ico</ApplicationIcon>
+    <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
@@ -66,7 +67,6 @@
     <Content Remove="Migrations\**" />
     <EmbeddedResource Remove="Migrations\**" />
     <None Remove="Migrations\**" />
-    <None Include="..\Dockerfile" Link="Dockerfile" />
     <None Include="..\LICENSE.txt">
       <Pack>True</Pack>
       <PackagePath></PackagePath>