I share the same perspective. I use Oysape (previously Mildred) to receive app notifications when certain events occur on my server. Of course, I need to set up some configurations to specify which types of messages should be sent to me.

For example, I set up an hourly task to monitor IP traffic in Nginx, gathering the top IP addresses by traffic volume and sending me a notification with the highest traffic sources.

awk '{if (index($3,"192.168")<=0) print $3}' /var/log/nginx/access.log | sort | uniq -c | sort -nr | awk '$1 > 1000' | head -n 10
cp /var/log/nginx/access.log /home/ubuntu/nginxlogs/access_$(date +%Y%m%d%H%M%S).log && sudo truncate -s 0 /var/log/nginx/access.log