Refactora nd update Yonote Onprem.

yonote-docker-compose/postgres/init-keycloak-db.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+set -e
+
+psql -v ON_ERROR_STOP=1 --username "$POSTGRES_USER" --dbname "$POSTGRES_DB" <<-EOSQL
+CREATE DATABASE keycloak;
+CREATE USER ${KC_DB_USERNAME} WITH PASSWORD '${KC_DB_PASSWORD}';
+GRANT ALL PRIVILEGES ON DATABASE keycloak TO ${KC_DB_USERNAME};
+EOSQL