matthias/docker-inotify-command
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Move to Alpine linux

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Based on https://github.com/sanjeevan/baseimage

Image size reduced from 232MB to 90MB

Also make the change monitors more like services that restart if they crash
This commit is contained in:
David Coppit
2018-08-17 21:20:10 -04:00
parent 67c5a43987
commit e65260ff52
5 changed files with 129 additions and 107 deletions
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65
Dockerfile
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@@ -1,43 +1,40 @@
FROM phusion/baseimage:0.9.19
FROM alpine:3.7
MAINTAINER David Coppit <david@coppit.org>
# Use baseimage-docker's init system
CMD ["/sbin/my_init"]
ENV DEBIAN_FRONTEND noninteractive
ADD dpkg-excludes /etc/dpkg/dpkg.cfg.d/excludes
ENV TERM=xterm-256color
RUN true && \
\
echo "http://dl-cdn.alpinelinux.org/alpine/v3.7/community" >> /etc/apk/repositories && \
apk --update upgrade && \
\
# Basics, including runit
apk add bash curl htop runit && \
\
# Needed by our code
apk add --no-cache python3 icu-libs shadow && \
pip3 install watchdog && \
wget https://raw.githubusercontent.com/phusion/baseimage-docker/9f998e1a09bdcb228af03595092dbc462f1062d0/image/bin/setuser -O /sbin/setuser && \
chmod +x /sbin/setuser && \
\
rm -rf /var/cache/apk/* && \
\
# RunIt stuff
adduser -h /home/user-service -s /bin/sh -D user-service -u 2000 && \
chown user-service:user-service /home/user-service && \
mkdir -p /etc/run_once /etc/service
set -x && \
# Create dir to keep things tidy. Make sure it's readable by $UID
mkdir /files && \
chmod a+rwX /files && \
# Speed up APT
echo "force-unsafe-io" > /etc/dpkg/dpkg.cfg.d/02apt-speedup && \
echo "Acquire::http {No-Cache=True;};" > /etc/apt/apt.conf.d/no-cache && \
apt-get update && \
apt-get install -qy python3-watchdog wget && \
# clean up
apt-get clean && \
rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/* \
/usr/share/man /usr/share/groff /usr/share/info \
/usr/share/lintian /usr/share/linda /var/cache/man && \
(( find /usr/share/doc -depth -type f ! -name copyright|xargs rm || true )) && \
(( find /usr/share/doc -empty|xargs rmdir || true ))
# Boilerplate startup code
COPY ./boot.sh /sbin/boot.sh
RUN chmod +x /sbin/boot.sh
CMD [ "/sbin/boot.sh" ]
VOLUME ["/config", \
"/dir1", "/dir2", "/dir3", "/dir4", "/dir5", "/dir6", "/dir7", "/dir8", "/dir9", "/dir10", \
"/dir11", "/dir12", "/dir13", "/dir14", "/dir15", "/dir16", "/dir17", "/dir18", "/dir19", "/dir20"]
# Set the locale, to help Python and the user's applications deal with files that have non-ASCII characters
RUN locale-gen en_US.UTF-8
ENV LANG en_US.UTF-8
ENV LANGUAGE en_US:en
ENV LC_ALL en_US.UTF-8
@@ -45,11 +42,11 @@ ENV LC_ALL en_US.UTF-8
ENV UMAP ""
ENV GMAP ""
# Add local files
COPY sample.conf monitor.py runas.sh /files/
# Make sure it's readable by $UID
RUN chmod a+rwX /files
ADD 50_remap_ids.sh /etc/my_init.d/
RUN mkdir /etc/service/monitor
ADD monitor.sh /etc/service/monitor/run
RUN chmod +x /etc/service/monitor/run
# run-parts ignores files with "." in them
ADD 50_remap_ids.sh /etc/run_once/50_remap_ids
ADD 60_create_monitors.sh /etc/run_once/60_create_monitors
RUN chmod +x /etc/run_once/*