Docker Compose 文件无效，不允许附加属性 [英] Docker Compose file is invalid, additional properties not allowed

问题描述

这是我的示例 docker-compose.yml 文件.

This is my sample docker-compose.yml file.

version: '2'
config-server:
  image: ccc/config-server
  restart: always
registration-server:
  image: ccc/registration-server
  restart: always
  ports:
    - 1111:1111

当我使用 docker-compose up -d 时出现错误:

When I use docker-compose up -d I get an error:

"ERROR: The Compose file './docker-compose.yml' is invalid because:
Additional properties are not allowed ('registration-server', 'config-server' were unexpected)

You might be seeing this error because you're using the wrong Compose file version. Either specify a version of "2" (or "2.0") and place your service definitions under the `services` key, or omit the `version` key and place your service definitions at the root of the file to use version 1.
For more on the Compose file format versions, see https://docs.docker.com/compose/compose-file/

推荐答案

你缺少一个 services 关键字，你正确的 .yml 是:

You are missing a services keyword, your correct .yml is:

version: '2'
services:
  config-server:
    image: ccc/config-server
    restart: always
  registration-server:
    image: ccc/registration-server
    restart: always
    ports:
      - 1111:1111

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