Add Dockerfile for building Debian package

Dockerfile.debian_package

@@ -0,0 +1,22 @@
+FROM debian:9
+
+# https://dotnet.microsoft.com/download/linux-package-manager/debian9/sdk-current
+RUN apt-get update \
+ && apt-get install -y apt-transport-https debhelper gnupg wget \
+ && wget -qO- https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor > microsoft.asc.gpg \
+ && mv microsoft.asc.gpg /etc/apt/trusted.gpg.d/ \
+ && wget -q https://packages.microsoft.com/config/debian/9/prod.list \
+ && mv prod.list /etc/apt/sources.list.d/microsoft-prod.list \
+ && chown root:root /etc/apt/trusted.gpg.d/microsoft.asc.gpg \
+ && chown root:root /etc/apt/sources.list.d/microsoft-prod.list \
+ && apt-get update \
+ && apt-get install -y dotnet-sdk-2.2
+
+WORKDIR /repo
+COPY . .
+
+RUN dpkg-buildpackage -us -uc \
+ && mkdir /dist \
+ && mv /jellyfin*deb /dist
+
+WORKDIR /dist