Docker-compose up时报错:

Docker-compose up时报错:

ERROR: yaml.scanner.ScannerError: mapping values are not allowed here
in "./docker-compose.yml", line 2, column 9

解决

出现这个错误的是因为yaml格式不正确,谷歌定义的yaml格式太严格了,每个冒号后面都必须带有空格

错误

version:"3"
services:
  web:   
    image: licerlee/friendlyhello:v1
    deploy:
      replicas:5
      resources:
        limits:
          cpus:"0.1"
          memory:50M
      restart_policy:
        condition: on-failure
    ports:
      - "80:80"
    networks:
      - webnet
networks:
  webnet:

正确

version: "3"
services:
  web:
   
    image: licerlee/friendlyhello:v1
    deploy:
      replicas: 5
      resources:
        limits:
          cpus: "0.1"
          memory: 50M
      restart_policy:
        condition: on-failure
    ports:
      - "80:80"
    networks:
      - webnet
networks:
  webnet:
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