apt-cache-ng/image/Dockerfile

#
# Build: docker build -t apt-cacher .
# Run: docker run -d -p 3142:3142 --name apt-cacher-run apt-cacher
#
# and then you can run containers with:
#   docker run -t -i --rm -e http_proxy http://dockerhost:3142/ debian bash
#
# Here, `dockerhost` is the IP address or FQDN of a host running the Docker daemon
# which acts as an APT proxy server.

FROM debian:stretch-slim
EXPOSE      3142
ARG UID
VOLUME      ["/var/cache/apt-cacher-ng"]

RUN     apt-get update && apt-get install -y apt-cacher-ng && \
 sed -i "s%# ForeGround: 0%ForeGround: 1%g" /etc/apt-cacher-ng/acng.conf && \
 chown -R $UID /etc/apt-cacher-ng && \
 chown -R $UID /var/log/apt-cacher-ng && \
 rm -rf /var/lib/apt/lists/*
 
USER UID
CMD     ["/usr/sbin/apt-cacher-ng", "-c", "/etc/apt-cacher-ng"]