version: '3.3'
services:

    php-fpm:
        image: 'gompali/fpm7.2.0'
        environment:
            my_sudo_password: /run/secrets/my_sudo_password
        secrets:
            - source: my_sudo_password
              target: my_sudo_password
              mode: 0400

secrets:
    my_sudo_user:
        external: true
    my_sudo_password:
        external: true

networks:
    internal:
        external: false
        driver: overlay