text: CREATE EXTENSION IF NOT EXISTS pgcrypto WITH SCHEMA public;
  CREATE EXTENSION IF NOT EXISTS "uuid-ossp" WITH SCHEMA public;
  
  create schema app_public;
  create schema app_private;
  
  grant usage on schema app_public to appainter_visitor;
  
  -- This allows inserts without granting permission to the serial primary key column.
  alter default privileges for role appainter in schema app_public grant usage, select on sequences to appainter_visitor;
  