Dockerfile

FROM ubuntu:xenial

ENV NIMBLE_VERSION=3.5.0-5

## Install nimble and move all config files to /etc/nimble.conf
##
RUN    echo "deb http://nimblestreamer.com/ubuntu xenial/" > /etc/apt/sources.list.d/nimblestreamer.list \
    && apt-key adv --fetch-keys http://nimblestreamer.com/gpg.key \
    && apt-get update \
    && DEBIAN_FRONTEND=noninteractive apt-get install -y nimble=$NIMBLE_VERSION \
    && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
    && mkdir -p /var/log/nimble && ln -sf /dev/stdout /var/log/nimble/nimble.log \
    && cp /etc/nimble/nimble.conf /etc/nimble.conf.default \
    && rm -f /etc/nimble/* \
    && chown -R nimble:root /etc/nimble

## Configuration volume
##
VOLUME /etc/nimble

## Cache volume
##
VOLUME /var/cache/nimble

EXPOSE 1935 8081

USER nimble

COPY start /

CMD ["/start"]