Setup log rotate for magento 2
Install Logrotate
# sudo apt-get update
# sudo apt-get install logrotate
Check version
logrotate --version
Add Logrotate directory
# sudo mkdir /var/www/html/var/log/logrotate
# sudo chown magento:www-data /var/www/html/var/log/logrotate
Add configuration file
sudo nano /etc/logrotate.d/magento2
Add content like
/var/www/html/var/log/*.log {
    su magento www-data
    weekly
    missingok
    # Rotate file if reach this size
    minsize 50M
    rotate 4
    compress
    notifempty
    dateext
    dateformat -%Y-%m-%d
    create 664 magento www-data
    olddir logrotate
}
Other usefull
# Rotate daily
    daily
    # Compress old log files
    compress
    # Keep the most recent log uncompressed
    delaycompress
    # Skip missing files
    missingok
    # Skip empty files
    notifempty
    # Rotate when the size is bigger than 50MB
    size 1M
    # Always keep 4 weeks of log files
    rotate 1
    # Create a new log file with mode 0644
    create 0644
    # Add a date extension to rotated files
    dateext
    # Sets the dateformat of the dateext
    dateformat -%Y-%m-%d-%s
Test is working ?
sudo logrotate -f /etc/logrotate.d/magento2
REF & Thanks:
https://digitalstartup.co.uk/t/how-to-tidy-magento-2-log-files-using-logrotate/1526 https://linux.die.net/man/8/logrotate