Setting Docker for laravel app I got errors in "compose/cli/main.py

In my kubunru 18.04 I try to run docker for my laravel application

$ docker --version 
Docker version 17.12.1-ce, build 7390fc6

I have 3 files: .env :

# PATHS

DB_PATH_HOST=./databases

APP_PATH_HOST=./votes

APP_PTH_CONTAINER=/var/www/html/

docker-compose.yml :

version: '3'

services:

    web:
        build: ./web/Dockerfile.yml
        environment:
            - APACHE_RUN_USER=www-data
        volumes:
            - ${DB_PATH_HOST}:${APP_PTH_CONTAINER}
        ports:
            - 8080:80
        working_dir: ${APP_PTH_CONTAINER}



    db:
        image: mysql
        command: --default-authentication-plugin=mysql_native_password
        restart: always
        environment: 
            MYSQL_ROOT_PASSWORD: 1
        volumes:
            - ${DB_PATH_HOST}:/var/lib/mysql

    adminer:
        image: adminer
        restart: always
        ports:
            - 8080:8080


    composer:
        image: composer:1.6
        volumes:
            - ${DB_PATH_HOST}:${APP_PTH_CONTAINER}
        working_dir: ${APP_PTH_CONTAINER}
        command: composer install        

/web/Dockerfile.yml :

FROM php:7.2-apache

RUN docker-php-ext-install \
    pdo_mysql \
    && a2emod \
    rewrite

serge@serge:/mnt/_work_sdb8/wwwroot/lar/DockerApps/votes_docker$ docker-compose up --build
Building web
Traceback (most recent call last):
  File "bin/docker-compose", line 6, in <module>
  File "compose/cli/main.py", line 71, in main
  File "compose/cli/main.py", line 127, in perform_command
  File "compose/cli/main.py", line 1052, in up
  File "compose/cli/main.py", line 1048, in up
  File "compose/project.py", line 466, in up
  File "compose/service.py", line 329, in ensure_image_exists
  File "compose/service.py", line 1047, in build
  File "site-packages/docker/api/build.py", line 142, in build
TypeError: You must specify a directory to build in path
[6769] Failed to execute script docker-compose

I know that *.py that is python language files, but I do not use python language or work with it, I work with php.

Why the error and how to fix it ?

Thanks!

via Chebli Mohamed