How to install Magento on DO: https://linuxize.com/post/how-to-install-magento-2-on-ubuntu-18-04/
Magento Docker: https://github.com/fballiano/docker-magento2
Magento Docker: https://github.com/markshust/docker-magento
Magento PHP2.7 bcrypt: https://websiteforstudents.com/install-php-7-2-mcrypt-module-on-ubuntu-18-04-lts/
Best install Magento 2 on Ubuntu: https://linuxize.com/post/how-to-install-magento-2-on-ubuntu-18-04/
Useful guide: https://www.mageplaza.com/devdocs/how-install-magento-2-ubuntu.html
Composer: https://devdocs.magento.com/guides/v2.4/install-gde/install/sample-data-after-composer.html