pleroma/docs/administration/backup.md

Backup/Restore your instance

Backup

1. Stop the Pleroma service.
2. Go to the working directory of Pleroma (default is /opt/pleroma)
3. Run sudo -Hu postgres pg_dump -d <pleroma_db> --format=custom -f </path/to/backup_location/pleroma.pgdump>
4. Copy pleroma.pgdump, config/prod.secret.exs and the uploads folder to your backup destination. If you have other modifications, copy those changes too.
5. Restart the Pleroma service.

Restore

1. Stop the Pleroma service.
2. Go to the working directory of Pleroma (default is /opt/pleroma)
3. Copy the above mentioned files back to their original position.
4. Run sudo -Hu postgres pg_restore -d <pleroma_db> -v -1 </path/to/backup_location/pleroma.pgdump>
5. Restart the Pleroma service.