FROM bash:alpine3.19 ARG PUID=0 ARG PGID=0 # set build args as container environment variables for entrypoint reference ENV PUID=$PUID ENV PGID=$PGID RUN apk update && apk add parallel aria2 COPY --chown=$PUID:$PGID . /docker RUN chmod +x /docker/download.sh ENTRYPOINT ["/docker/download.sh"]