Upgrade Magento:
https://docs.bitnami.com/aws/apps/magento/administration/upgrade/
Bitnami Docker Magento: [not that important] [AWS uses Bitnami Magento Image]
https://github.com/bitnami/bitnami-docker-magento
https://bitnami.com/stack/magento
https://aws.amazon.com/marketplace/pp/Bitnami-Magento-Certified-by-Bitnami/B00NNZTA6Y
Install Data Migration Tool
https://devdocs.magento.com/guides/v2.3/migration/migration-tool-install.html
https://mage2-blog.com/magento-2-data-migration-tool/
Steps for Migration
https://www.netsolutions.com/insights/how-to-migrate-from-magento-1-to-magento-2/