FROM alpine

RUN apk add --no-cache tini

RUN wget https://johnvansickle.com/ffmpeg/builds/ffmpeg-git-amd64-static.tar.xz \
    && tar xvf ffmpeg-git-amd64-static.tar.xz 'ffmpeg-git-*-amd64-static/ffmpeg' || true \
    && mv ffmpeg-git-*-amd64-static/ffmpeg /usr/local/bin/ \
    && rm -rf ffmpeg-git-*-amd64-static ffmpeg-git-amd64-static.tar.xz

ENTRYPOINT ["tini", "--", "ffmpeg"]