Add 'Sources/Dockerfile'

Sources/Dockerfile

@@ -0,0 +1,14 @@
+# syntax=docker/dockerfile:1
+
+FROM mcr.microsoft.com/dotnet/sdk:6.0 as build-env
+WORKDIR /Sources
+COPY Sources/*.csproj .
+RUN dotnet restore
+COPY Sources .
+RUN dotnet publish -c Release -o /publish
+
+FROM mcr.microsoft.com/dotnet/aspnet:6.0 as runtime
+WORKDIR /publish
+COPY --from=build-env /publish .
+EXPOSE 80
+ENTRYPOINT ["dotnet", "OpenLibraryWrapper.dll"]