FROM library/ubuntu:14.04 # run logrotate hourly, disable imklog model, provides TCP/UDP syslog reception RUN mv /etc/cron.daily/logrotate /etc/cron.hourly/ \ && sed 's/$ModLoad imklog/#$ModLoad imklog/' -i /etc/rsyslog.conf \ && sed 's/$KLogPermitNonKernelFacility on/#$KLogPermitNonKernelFacility on/' -i /etc/rsyslog.conf \ && sed 's/#$ModLoad imudp/$ModLoad imudp/' -i /etc/rsyslog.conf \ && sed 's/#$UDPServerRun 514/$UDPServerRun 514/' -i /etc/rsyslog.conf \ && sed 's/#$ModLoad imtcp/$ModLoad imtcp/' -i /etc/rsyslog.conf \ && sed 's/#$InputTCPServerRun 514/$InputTCPServerRun 514/' -i /etc/rsyslog.conf \ && rm /etc/rsyslog.d/* # logrotate configuration file for docker ADD logrotate_docker.conf /etc/logrotate.d/ # rsyslog configuration file for docker ADD rsyslog_docker.conf /etc/rsyslog.d/ VOLUME /var/log/docker/ EXPOSE 514 CMD cron && chown -R syslog:syslog /var/log/docker/ && rsyslogd -n