I just migrated to a new server for one of my personal Discourse sites, and while I was at it, we did a complete pass on the howto docs for migrating your Discourse from server to server (via backups) recently. They’re in very good shape. 
I just migrated to a new server for one of my personal Discourse sites, and while I was at it, we did a complete pass on the howto docs for migrating your Discourse from server to server (via backups) recently. They’re in very good shape.