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docker-compose.yml (postgres 16 + odoo:19.0), odoo.conf, env template, and setup/backup/update/demo-data scripts. update.sh always backs up and records the previous image before upgrading modules, per the lesson paid for on the Frappe track. .gitattributes pins LF on shell scripts so they don't break under the container's bash on checkout from Windows. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>