PostgreSQL Details

[merefield (Robert)]

Take a look at this Topic, it gives you the series of commands you need about half way down:

PostgreSQL 13 update

WARNING! If your database is very large, you will need a lot of extra disk space (2x database size) and should be very careful with this upgrade! We’ve just landed changes to upgrade our Docker image to PostgreSQL 13. Any site admins rebuilding Discourse from the command line will be upgraded to PostgreSQL 13 from the previous PostgreSQL 12. Note that if you held back from upgrading when the PostgreSQL 12 update happened back in May, you can skip that upgrade and go straight to P…