配置如下: 
name: bazel-agent
services:
  beszel-agent:
    image: "henrygd/beszel-agent"
    container_name: "beszel-agent"
    restart: unless-stopped
    network_mode: host
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock:ro
    environment:
      LISTEN: 45876
      KEY: /run/secrets/key 
    secrets:
      - key
 
secrets: 
  key:
    file: key.txt

结果是: 

beszel-agent  | 2025/06/24 ...