Top level object in './docker-compose.yml' needs to be an object not '<class 'NoneType'>'

Question

I'm using python 3.8, Docker version 19.03.13, build 4484c46d9d 3.8

version: '3.8'
services:
  web:
    build: .
    command: python /code/manage.py runserver 0.0.0.0:8000
  volumes:
    - .:/code
  ports:
    - 8000:8000

Countershading

what does your docker-compose.yml looks like? – Blakeney

your docker-compose.yml seems to have indent problems. I've edited your question and fix it! use the version I've edited and post the results – Balenciaga

thanks the error was in docker-compose.yml – Countershading

Answer 1

Maybe docker-compose.yml is empty

Premer

In my case it was docker-compose.override.yml that was empty – Linesman

Save file and try again – Mady

This was my case. I never saved the file after adding my changes. – Varicelloid

Answer 2

Your .yml file must be empty. Try saving the file.

Carrageen

I feel so embarrassed when this kind of thing happens lol Thank you! – Electroplate

Answer 3

If you have just created your docker-compose.yml chances are you haven't saved it and hit docker-compose up.

Save it and try again. It should work fine

Pinette

Answer 4

In case of docker-compose.dcproj project check for all the .yml files and nothing should be empty.

1. docker-compose.override.yml
2. docker-compose.yml

Macadamia

Answer 5

create file docker-compose.yaml that looks like the below picture and it started working

Trinidad

Answer 6

Hit this because I did

docker-compose --file .config/.env.dev up

Instead of

docker-compose --env-file .config/.env.dev up

Predicament