Upgrade MySQL from 5.7 to 8.0 (step 1 of LTS migration)#68
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First step toward MySQL 8.4 LTS. MySQL only supports upgrading one major version at a time, so we go 5.7 → 8.0 → 8.4. Important: back up mysql_mail_data and mysql_wordpress_noerpel_data volumes before deploying. MySQL 8.0 will auto-upgrade 5.7 data on first start. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
mysql_mailandmysql_wordpress_noerpelfrom MySQL 5.7 to 8.0Pre-deployment checklist
mysql_mail_datavolumemysql_wordpress_noerpel_datavolumePost-deployment verification
mysql_mailsuccessfullymysql_wordpress_noerpelsuccessfullyNext steps
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