[Postfix] Do not keep persistent logs in a container

data/Dockerfiles/postfix/supervisord.conf

@@ -3,19 +3,16 @@ nodaemon=true
 
 [program:syslog-ng]
 command=/usr/sbin/syslog-ng --foreground  --no-caps
-redirect_stderr=true
+stdout_logfile=/dev/stdout
+stdout_logfile_maxbytes=0
+stderr_logfile=/dev/stderr
+stderr_logfile_maxbytes=0
 autostart=true
-stdout_syslog=true
 
 [program:postfix]
 command=/opt/postfix.sh
 autorestart=true
 
-[program:postfix-maillog]
-command=/bin/tail -f /var/log/zeyple.log /var/log/combined.log
-stdout_logfile=/dev/stdout
-stdout_logfile_maxbytes=0
-
 [unix_http_server]
 file=/var/tmp/supervisord.sock  
 chmod=0770