Merge pull request #411 from bfayers/docker-ffmpeg403

Change Dockerfile to use ffmpeg 4.0.3 rather than a distro one.

Dockerfile

@@ -10,9 +10,15 @@ RUN export DOTNET_CLI_TELEMETRY_OPTOUT=1 \
 FROM microsoft/dotnet:${DOTNET_VERSION}-runtime
 COPY --from=builder /jellyfin /jellyfin
 EXPOSE 8096
-RUN apt update \
- && apt install -y ffmpeg
+
 VOLUME /config /media
+
+ARG FFMPEG_URL=https://www.johnvansickle.com/ffmpeg/old-releases/ffmpeg-4.0.3-64bit-static.tar.xz
+RUN apt update \
+ && apt install -y xz-utils \
+ && curl ${FFMPEG_URL} | tar Jxf - -C /usr/bin --wildcards --strip-components=1 ffmpeg*/ffmpeg ffmpeg*/ffprobe \
+ && apt remove -y xz-utils
+
 ENTRYPOINT if [ -n "$PUID$PGUID" ]; \
     then echo "PUID/PGID are deprecated. Use Docker user param." >&2; exit 1; \
     else dotnet /jellyfin/jellyfin.dll -programdata /config; fi