| 12345678910111213141516171819202122232425 | FROM mcr.microsoft.com/dotnet/sdk:6.0-bullseye-slim# Docker build argumentsARG SOURCE_DIR=/jellyfinARG ARTIFACT_DIR=/dist# Docker run environmentENV SOURCE_DIR=/jellyfinENV ARTIFACT_DIR=/distENV DEB_BUILD_OPTIONS=noddebsENV IS_DOCKER=YES# Prepare Debian build environmentRUN apt-get update -yqq \  && apt-get install -yqq --no-install-recommends \    apt-transport-https debhelper gnupg devscripts \    mmv libcurl4-openssl-dev libfontconfig1-dev \    libfreetype6-dev libssl-dev libssl1.1 liblttng-ust0# Link to docker-build scriptRUN ln -sf ${SOURCE_DIR}/deployment/build.portable /build.shVOLUME ${SOURCE_DIR}/VOLUME ${ARTIFACT_DIR}/ENTRYPOINT ["/build.sh"]
 |