Either do a proper upgrade with backup/restore or use `PGDATA`[1] and `pg_upgrade`[2]. [1] https://hub.docker.com/_/postgres#pgdata https://hub.docker.com/_/po

Either do a proper upgrade with backup/restore or use `PGDATA`[1] and `pg_upgrade`[2]. [1] https://hub.docker.com/_/postgres#pgdata https://hub.docker.com/_/postgres#pgdata [2] https://www.postgresql.org/docs/current/upgrading.html#UPGRADING https://www.postgresql.org/docs/current/upgrading.html#UPGRA...