migrate from redis to valkey

data/Dockerfiles/dovecot/syslog-ng-valkey_slave.conf

@@ -0,0 +1,53 @@
+@version: 4.5
+@include "scl.conf"
+options {
+  chain_hostnames(off);
+  flush_lines(0);
+  use_dns(no);
+  use_fqdn(no);
+  owner("root"); group("adm"); perm(0640);
+  stats(freq(0));
+  keep_timestamp(no);
+  bad_hostname("^gconfd$");
+};
+source s_dgram {
+  unix-dgram("/dev/log");
+  internal();
+};
+destination d_stdout { pipe("/dev/stdout"); };
+destination d_valkey_ui_log {
+  redis(
+    host("`VALKEY_SLAVEOF_IP`")
+    persist-name("valkey1")
+    port(`VALKEY_SLAVEOF_PORT`)
+    auth("`VALKEYPASS`")
+    command("LPUSH" "DOVECOT_MAILLOG" "$(format-json time=\"$S_UNIXTIME\" priority=\"$PRIORITY\" program=\"$PROGRAM\" message=\"$MESSAGE\")\n")
+  );
+};
+destination d_valkey_f2b_channel {
+  redis(
+    host("`VALKEY_SLAVEOF_IP`")
+    persist-name("valkey2")
+    port(`VALKEY_SLAVEOF_PORT`)
+    auth("`VALKEYPASS`")
+    command("PUBLISH" "F2B_CHANNEL" "$(sanitize $MESSAGE)")
+  );
+};
+filter f_mail { facility(mail); };
+filter f_replica {
+  not match("User has no mail_replica in userdb" value("MESSAGE"));
+  not match("Error: sync: Unknown user in remote" value("MESSAGE"));
+};
+filter f_dovecot_auth_try {
+  not match("- trying the next passdb" value("MESSAGE")) and
+  not match("- trying the next userdb" value("MESSAGE"));
+};
+log {
+  source(s_dgram);
+  filter(f_dovecot_auth_try);
+  filter(f_replica);
+  destination(d_stdout);
+  filter(f_mail);
+  destination(d_valkey_ui_log);
+  destination(d_valkey_f2b_channel);
+};