Send syslog-ng logs to AppSignal

syslog-ng.conf

@version: 3.30
@include "scl.conf"

# Sources
source s_local {
    internal();
};

source s_network {
    network(
        port(514)
        transport("tcp")
    );
};

# AppSignal template
template t_appsignal { 
    template("<$PRI>1 $R_ISODATE $HOST $PROGRAM $PID ${MSGID:--} [APPSIGNAL-API-KEY] $MSG\n"); 
};

# AppSignal destination
destination d_appsignal {
    network(
        "appsignal-endpoint.net"
        port(6514)
        transport("tls")
        tls(
            peer-verify("required-trusted")
            ca-dir("/etc/ssl/certs")
            sni(yes)
        )
        template(t_appsignal)
        persist-name("appsignal_test")
    );
};

# Also log locally for debugging
destination d_local {
    file("/var/log/syslog-ng/messages");
};

# Log what we're sending to AppSignal
destination d_debug {
    file("/var/log/syslog-ng/appsignal-formatted.log" template(t_appsignal));
};

# Routing
log {
    source(s_local);
    source(s_network);
    destination(d_appsignal);
    destination(d_local);
    destination(d_debug);
};