* make easier

.env.sample

 URL=localhost
-DB_PASSWORD=CHANGE_ME
 DJANGO_DEVELOPMENT=false
 DATABASE_NAME=polaris
 DATABASE_USER=root

docker-compose.yml

@@ -17,7 +17,7 @@ services:
     image: mariadb:10.6
     restart: always
     environment:
-      MYSQL_ROOT_PASSWORD: ${DB_PASSWORD}
+      MYSQL_ROOT_PASSWORD: ${DATABASE_PASSWORD}
       MYSQL_DATABASE: polaris
     volumes:
       - mariadb_data:/var/lib/mysql