Add new file

Dockerfile

+FROM microsoft/dotnet:2.1-sdk-alpine AS builder
+WORKDIR /app
+
+COPY ./Sources ./
+
+RUN dotnet build
+
+RUN cd DeStream.DeStreamD \
+    && dotnet publish -c Release --framework netcoreapp2.1 --runtime alpine-x64 -o out
+
+FROM microsoft/dotnet:2.1-runtime-alpine
+WORKDIR /app
+COPY --from=builder /app/DeStream.DeStreamD/out .
+
+ENTRYPOINT ["dotnet", "DeStream.DeStreamD.dll"]
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