Set up postgres

sql/000-initizalise.sql

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+-- Role: role_administrator
+-- DROP ROLE IF EXISTS role_administrator;
+
+CREATE ROLE role_administrator;
+
+
+-- Role: role_service
+-- DROP ROLE IF EXISTS role_service;
+
+CREATE ROLE role_service;
+
+
+-- Role: role_maintainer
+-- DROP ROLE IF EXISTS role_maintainer;
+
+CREATE ROLE role_maintainer;
+
+
+-- Role: support_role
+-- DROP ROLE IF EXISTS support_role;
+
+CREATE ROLE role_support;
+
+
+-- User: services
+-- DROP USER IF EXISTS services;
+
+CREATE USER services WITH PASSWORD 'password';
+
+-- Assign role to the user
+GRANT role_service TO services;
+
+
+-- User: user_maintainer
+-- DROP USER IF EXISTS user_maintainer;
+
+CREATE USER user_maintainer WITH PASSWORD 'password';
+
+-- Assign role to the user
+GRANT role_maintainer TO user_maintainer;
+
+
+-- User: user_support
+-- DROP USER IF EXISTS user_support;
+
+CREATE USER user_support WITH PASSWORD 'password';
+
+-- Assign role to the user
+GRANT role_support TO user_support;
+
+
+-- Database: device_registry
+-- DROP DATABASE IF EXISTS device_registry;
+
+CREATE DATABASE device_registry
+  WITH
+  OWNER = role_administrator
+  ENCODING = 'UTF8'
+  LC_COLLATE = 'en_US.utf8'
+  LC_CTYPE = 'en_US.utf8'
+  LOCALE_PROVIDER = 'libc'
+  TABLESPACE = pg_default
+  CONNECTION LIMIT = -1
+  IS_TEMPLATE = False;
+

sql/001-uuid_v7.sql

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+-- FUNCTION: public.gen_uuid_v7(timestamp with time zone)
+
+-- DROP FUNCTION IF EXISTS public.gen_uuid_v7(timestamp with time zone);
+
+CREATE OR REPLACE FUNCTION public.gen_uuid_v7(p_timestamp timestamp with time zone)
+  RETURNS uuid
+  LANGUAGE 'sql'
+  COST 100
+  VOLATILE PARALLEL UNSAFE
+AS
+$BODY$
+-- Replace the first 48 bits of a uuid v4 with the provided timestamp (in milliseconds) since 1970-01-01 UTC, and set the version to 7
+SELECT encode(set_bit(set_bit(overlay(uuid_send(gen_random_uuid()) PLACING substring(int8send((extract(EPOCH FROM p_timestamp) * 1000):: BIGINT) FROM 3) FROM 1 FOR 6), 52, 1), 53, 1), 'hex') ::uuid;
+$BODY$;
+
+ALTER FUNCTION public.gen_uuid_v7(timestamp with time zone)
+  OWNER TO role_administrator;
+
+COMMENT
+  ON FUNCTION public.gen_uuid_v7(timestamp with time zone)
+  IS 'Generate a UUIDv7 value using a provided timestamp (in milliseconds since 1970-01-01 UTC) with 74 bits of randomness.';
+
+
+-- FUNCTION: public.gen_uuid_v7()
+
+-- DROP FUNCTION IF EXISTS public.gen_uuid_v7();
+
+CREATE OR REPLACE FUNCTION public.gen_uuid_v7()
+  RETURNS uuid
+  LANGUAGE 'sql'
+  COST 100
+  VOLATILE PARALLEL UNSAFE
+AS
+$BODY$
+SELECT gen_uuid_v7(clock_timestamp());
+$BODY$;
+
+ALTER FUNCTION public.gen_uuid_v7()
+  OWNER TO role_administrator;
+
+COMMENT
+  ON FUNCTION public.gen_uuid_v7()
+  IS 'Generate a UUIDv7 value with a 48-bit timestamp (millisecond precision) and 74 bits of randomness.';