将错误显示为ERROR：撰写文件'./docker-compose.yml'无效，原因是：服务不支持的配置选项：撰写时为'db'

Question

docker-compose.yml

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

在编写文件时出现错误： {{1}}

Docker版本为 18.09.5

Docker撰写版本为 1.17.1

Answer 1

尝试在顶部添加撰写version:-

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

版本兼容性-https://docs.docker.com/compose/compose-file/compose-versioning/