Question

尝试运行代码以消除类似的错误

yaml.scanner.ScannerError: mapping values are not allowed here
  in "./docker-compose.yml", line 15, column 14

YAML文件：

version: '3'

services:
  traefik:
    image: traefik:latest # The official Traefik docker image
    command: --api --docker # Enables the web UI and tells Traefik to listen to docker
    ports:
      - "80:80"     # The HTTP port
      - "8080:8080" # The Web UI (enabled by --api)
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock # So that Traefik can listen to the Docker events
    restart: always
      service:
        build: .
          environment:
            -MY_MESSAGE=load1
          labels:
            -'traefik.frontend.rule=Host:load.test'
            -'traefik.backend=load'

Answer 1

这是由于docker-compose文件中的缩进。此外，您还需要遵循syntax of version 3来获取环境变量和标签。

version: '3'

services:
  traefik:
    image: traefik:latest # The official Traefik docker image
    command: --api --docker # Enables the web UI and tells Traefik to listen to docker
    ports:
      - "80:80"     # The HTTP port
      - "8080:8080" # The Web UI (enabled by --api)
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock # So that Traefik can listen to the Docker events
    restart: always


  service:
    build: .
    environment:
      - MY_MESSAGE= "load1"
    labels:
      - traefik.frontend.rule:"Host:load.test"
      - traefik.backend:"load"

yaml.scanner.ScannerError：“ ./ docker-compose.yml”第15行第14列中不允许使用映射值

1 个答案: