docker-compose-sync.yml

version: '3.7'

services:
    php:
        volumes:
            - ./composer.json:/var/www/html/composer.json
            - ./composer.lock:/var/www/html/composer.lock
            - project_name-data-sync:/var/www/html:nocopy       # Replace project_name with the name of your project

volumes:
    project_name-data-sync:                                     # Replace project_name with the name of your project
        external: true