获取错误为 ERROR: The Compose file './docker-compose.yml' is invalid because: Unsupported config option for services: 'db' while compose

Question

docker-compose.yml

services:
  db:
    image: postgres
    environment: 
      - POSTGRES_PASSWORD=mydbsecretpassword
  wordpress: 
    image: wordpress
    ports: 
      - "8085:80"

While composing the file I am getting the error: ERROR: The Compose file './docker-compose.yml' is invalid because: Unsupported config option for services: 'db'

Docker version is 18.09.5

Docker compose version is 1.17.1

Answer 1

Try adding the compose version: at the top -

version: '3.5'
services:
  db:
    image: postgres
    environment:
      - POSTGRES_PASSWORD="mydbsecretpassword"
  wordpress:
    image: wordpress
    ports:
      - "8085:80"

Version compatibility - https://docs.docker.com/compose/compose-file/compose-versioning/