Use the correct dotnet runtime in Docker images

The self contained packages already contains the dotnet runtime
No need to use the dotnet runtime base image.

This should decrease the size of the image.

Dockerfile

@@ -17,8 +17,8 @@ ENV DOTNET_CLI_TELEMETRY_OPTOUT=1
 RUN dotnet publish Jellyfin.Server --configuration Release --output="/jellyfin" --self-contained --runtime linux-x64 "-p:GenerateDocumentationFile=false;DebugSymbols=false;DebugType=none"
 
 FROM jellyfin/ffmpeg:${FFMPEG_VERSION} as ffmpeg
+FROM debian:stretch-slim
 
-FROM mcr.microsoft.com/dotnet/core/runtime:${DOTNET_VERSION}
 COPY --from=ffmpeg /opt/ffmpeg /opt/ffmpeg
 COPY --from=builder /jellyfin /jellyfin
 COPY --from=web-builder /dist /jellyfin/jellyfin-web
@@ -38,9 +38,11 @@ RUN apt-get update \
  && ln -s /opt/ffmpeg/bin/ffmpeg /usr/local/bin \
  && ln -s /opt/ffmpeg/bin/ffprobe /usr/local/bin
 
+ENV DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1
+
 EXPOSE 8096
 VOLUME /cache /config /media
-ENTRYPOINT dotnet /jellyfin/jellyfin.dll \
+ENTRYPOINT ./jellyfin/jellyfin \
     --datadir /config \
     --cachedir /cache \
     --ffmpeg /usr/local/bin/ffmpeg

Dockerfile.arm

@@ -24,7 +24,7 @@ RUN dotnet publish Jellyfin.Server --configuration Release --output="/jellyfin"
 
 
 FROM multiarch/qemu-user-static:x86_64-arm as qemu
-FROM mcr.microsoft.com/dotnet/core/runtime:${DOTNET_VERSION}-stretch-slim-arm32v7
+FROM debian:stretch-slim-arm32v7
 COPY --from=qemu /usr/bin/qemu-arm-static /usr/bin
 RUN apt-get update \
  && apt-get install --no-install-recommends --no-install-suggests -y ffmpeg \
@@ -34,9 +34,11 @@ RUN apt-get update \
 COPY --from=builder /jellyfin /jellyfin
 COPY --from=web-builder /dist /jellyfin/jellyfin-web
 
+ENV DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1
+
 EXPOSE 8096
 VOLUME /cache /config /media
-ENTRYPOINT dotnet /jellyfin/jellyfin.dll \
+ENTRYPOINT ./jellyfin/jellyfin \
     --datadir /config \
     --cachedir /cache \
     --ffmpeg /usr/bin/ffmpeg

Dockerfile.arm64

@@ -24,7 +24,7 @@ RUN dotnet publish Jellyfin.Server --configuration Release --output="/jellyfin"
 
 
 FROM multiarch/qemu-user-static:x86_64-aarch64 as qemu
-FROM mcr.microsoft.com/dotnet/core/runtime:${DOTNET_VERSION}-stretch-slim-arm64v8
+FROM debian:stretch-slim-arm64v8
 COPY --from=qemu /usr/bin/qemu-aarch64-static /usr/bin
 RUN apt-get update \
  && apt-get install --no-install-recommends --no-install-suggests -y ffmpeg \
@@ -34,9 +34,11 @@ RUN apt-get update \
 COPY --from=builder /jellyfin /jellyfin
 COPY --from=web-builder /dist /jellyfin/jellyfin-web
 
+ENV DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=1
+
 EXPOSE 8096
 VOLUME /cache /config /media
-ENTRYPOINT dotnet /jellyfin/jellyfin.dll \
+ENTRYPOINT ./jellyfin/jellyfin \
     --datadir /config \
     --cachedir /cache \
     --ffmpeg /usr/bin/ffmpeg