vanilla pg dokcer image setup

proxy/dev/sql/include/pgrst.sql

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+
+-- code to monitor the last schema update
+CREATE SCHEMA IF NOT EXISTS pgrst;
+
+ALTER ROLE authenticator SET pgrst.last_schema_updated = now()::text;
+-- Create an event trigger function
+CREATE OR REPLACE FUNCTION pgrst.pgrst_watch() RETURNS event_trigger
+  LANGUAGE sql
+  AS $$
+  ALTER ROLE authenticator SET pgrst.last_schema_updated = now()::text;
+$$;
+
+CREATE OR REPLACE FUNCTION pgrst.last_schema_updated() RETURNS text
+  LANGUAGE sql
+  AS $$
+  SELECT current_setting('pgrst.last_schema_updated', true);
+$$;
+
+-- This event trigger will fire after every ddl_command_end event
+CREATE EVENT TRIGGER pgrst.pgrst_watch
+  ON ddl_command_end
+  EXECUTE PROCEDURE pgrst.pgrst_watch();