Additional property env_files is not allowed

Can’t rich the .env files

The docker-compose.yml

version: '19.03.0'
services:
    alva-back-mobile-strapi4:
        image: node:14.19.1-alpine
        env_file: alva-back-mobile-strapi4/.env
        volumes: 
            - strapi4-data:/var/home/app/data
            - ./alva-back-mobile-strapi4:/alva-back-mobile-strapi4
        working_dir: /alva-back-mobile-strapi4
        command: sh -c "npm install && npm run build && npm run develop"
        ports:
        - ${PORT}:${PORT}
    my-pets-back:
        image: node:16.3.0-alpine
        env_files: MyPetsBack/.env
        volumes:
            - mobile-data:/var/home/app/data
            - ./MyPetsBack:/MyPetsBack
        working_dir: ./MyPetsBack
        command: sh -c "npm install && npm run build && npm run develop"
        ports:
          - ${PORT}:${PORT}
    my-pets-front:
        image: node:16.3.0-alpine
        env_file: MyPetsFront/.env
        volumes:
            - front-data:/var/home/app/petData
            - ./MyPetsFront:/MyPetsFront
        working_dir: /MyPetsFront
        command: sh -c "npm install && npm run build && npm run develop"
        ports:
        - ${PORT}:${PORT}
    redis:
      image: redis:latest
volumes: 
  strapi4-data:
  mobile-data:
  front-data:

The structure of folders (.env is inside folders)
image

The result

time="2023-03-28T22:44:12+03:00" level=warning msg="The \"PORT\" variable is not set. Defaulting to a blank string."
time="2023-03-28T22:44:12+03:00" level=warning msg="The \"PORT\" variable is not set. Defaulting to a blank string."
time="2023-03-28T22:44:12+03:00" level=warning msg="The \"PORT\" variable is not set. Defaulting to a blank string."
time="2023-03-28T22:44:12+03:00" level=warning msg="The \"PORT\" variable is not set. Defaulting to a blank string."
time="2023-03-28T22:44:12+03:00" level=warning msg="The \"PORT\" variable is not set. Defaulting to a blank string."
time="2023-03-28T22:44:12+03:00" level=warning msg="The \"PORT\" variable is not set. Defaulting to a blank string."
services.my-pets-back Additional property env_files is not allowed

I tried to specify an env_file’s path with . ./nameOfProject/.env /nameOfProject/.env nameOfProject/.env but it doesn’t work. I expect that it’ll work.

It’s solved. I used env_fileS… I just typed a wrong name… Sorry for the question…