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A Data-Preserving Playbook for Production Upgrades
Protect databases, uploads, configuration, and local patches while staging, migrating, activating, verifying, and rolling back an upgrade.
Practical deployment, upgrade, backup, rollback, and service-management guidance.
Protect databases, uploads, configuration, and local patches while staging, migrating, activating, verifying, and rolling back an upgrade.
Why immutable release directories, pre-switch gates, explicit database compatibility, and rehearsed rollback make production safer.
A production playbook for inventory, isolated runtimes, PostgreSQL, systemd, TLS, backups, and clean operational handoff.