replace rsyslog with syslog-ng

Dockerfile

@@ -1,6 +1,6 @@
 FROM quay.io/thallian/confd-env:latest
 
-RUN apk add --no-cache postfix postfix-ldap rsyslog spamassassin-client libstdc++ g++ make tar libmilter-dev
+RUN apk add --no-cache postfix postfix-ldap syslog-ng spamassassin-client libstdc++ g++ make tar libmilter-dev
 
 RUN mkdir /tmp/spamass-milter
 RUN wget -qO- http://download.savannah.gnu.org/releases/spamass-milt/spamass-milter-0.4.0.tar.gz | tar -xz -C /tmp/spamass-milter --strip 1

rootfs/etc/rsyslog.conf

@@ -1,48 +0,0 @@
-# rsyslogd.conf
-#
-# if you experience problems, check:
-# http://www.rsyslog.com/troubleshoot
-
-#### MODULES ####
-
-module(load="imuxsock")    # local system logging support (e.g. via logger command)
-#module(load="imklog")     # kernel logging support (previously done by rklogd)
-module(load="immark")      # --MARK-- message support
-module(load="imudp")       # UDP listener support
-
-
-input(type="imudp" port="514")
-
-# Log all kernel messages to the console.
-# Logging much else clutters up the screen.
-#kern.*                                                 action(type="omfile" file="/dev/console")
-
-# Log anything (except mail) of level info or higher.
-# Don't log private authentication messages!
-*.info;mail.none;authpriv.none;cron.none                action(type="omfile" file="/var/log/messages")
-
-# The authpriv file has restricted access.
-authpriv.*                                              action(type="omfile" file="/var/log/secure")
-
-# Log all the mail messages in one place.
-mail.*                                                  action(type="omfile" file="/dev/console")
-
-# Log cron stuff
-cron.*                                                  action(type="omfile" file="/var/log/cron")
-
-# Everybody gets emergency messages
-*.emerg                                                 action(type="omusrmsg" users="*")
-
-# Save news errors of level crit and higher in a special file.
-uucp,news.crit                                          action(type="omfile" file="/var/log/spooler")
-
-# Save boot messages also to boot.log
-local7.*                                                action(type="omfile" file="/var/log/boot.log")
-
-# log every host in its own directory
-if $fromhost-ip then /var/log/$fromhost-ip/messages
-
-# Include all .conf files in /etc/rsyslog.d
-$IncludeConfig /etc/rsyslog.d/*.conf
-$template GRAYLOGRFC5424,"<%PRI%>%PROTOCOL-VERSION% %TIMESTAMP:::date-rfc3339% %HOSTNAME% %APP-NAME% %PROCID% %MSGID% %STRUCTURED-DATA% %msg%\n"
-*.info;mail.none;authpriv.none;cron.none;*.* @@graylog:514;GRAYLOGRFC5424 # forward everything to remote server

rootfs/etc/services.d/rsyslog/run

@@ -1,3 +0,0 @@
-#!/usr/bin/with-contenv sh
-
-exec rsyslogd -n

rootfs/etc/services.d/syslog-ng/run

@@ -0,0 +1,4 @@
+#!/usr/bin/with-contenv sh
+
+cd /var
+exec syslog-ng --foreground

rootfs/etc/syslog-ng/syslog-ng.conf

@@ -0,0 +1,8 @@
+destination catchall {
+    file(/dev/console);
+};
+
+log {
+    source(syslog);
+    destination(catchall);
+};