sql format could be large and painful to sync between servers.
Since we now have postgresql:console, postgresql:restore probably should use pg_dump's counterpart pg_restore instead of psql
+1 Absolutely, heroku for instance gives you just the small format
Ha, just found an easy way of working this around:
pg_restore -O latest.dump | dokku postgresql:restore <db_name>
The pg_restore command will gladly uncompress the file for you and you can feed it to restore in pure sql via pipe.
Note: the -O option means the database should not export information about the old owner.