Wordpress docker backup

I have a Wordpress working on a docker container installed on a macOS using docker compose for a yml
the Wordpress files is on one container and the mysql on another

attached the yml file content
version: '3.9'

services:
wordpress:
depends_on:
- db
image: wordpress:latest
volumes:
- ./wordpress_files:/var/www/html
ports:
- "80:80"
restart: always
environment:
WORDPRESS_DB_HOST: db:3306
WORDPRESS_DB_USER: dbuser
WORDPRESS_DB_PASSWORD: dbpassword
WORDPRESS_DB_NAME: wordpressdb
volumes:
- .wordpress/plugins:/var/www/html/wp-content/plugins
- .wordpress/themes:/var/www/html/wp-content/themes
- .wordpress/uploads:/var/www/html/wp-content/uploads
db:
image: mysql:5.7
volumes:
- ./db_data:/var/lib/mysql
restart: always
environment:
MYSQL_ROOT_PASSWORD: password
MYSQL_DATABASE: wordpressdb
MYSQL_USER: dbuser
MYSQL_PASSWORD: dbpassword

wold like to create a backup of the container for the Wordpress and the mysql container to use the working Wordpress with docker on another machine.