[Bug]: Docker not found on my server agent

[xator91]

Environment

Ubuntu 18.04.6 LTS (Bionic Beaver) | amd64 | Kernel: 4.15.0-162-generic | CPU: Intel(R) Xeon(R) CPU E5-2640 v3 @ 2.60GHz (4 cores) | RAM: 31.4 GB | Go go1.24.3 | Docker: false

Bug Description

When i enable that this server should be monitor also docker, it doesnt find any container and i have three container on it.

Steps to Reproduce

Just add a new server with ubuntu 18.04

Expected Behavior

Should appear the three container that i have

Screenshots or Videos

No response

Logs

Checklist

• I have searched existing issues to avoid creating duplicates.
• I have provided sufficient information to reproduce the issue.

[tolaleng]

Have you checked the agent logs to verify that it is fully enabled and running correctly? This will help ensure it functions as expected on your OS version.

[N445]

I have the same problem and in my log I have this

checkcle-agent  | === CheckCle Monitoring Agent Docker Entrypoint ===
checkcle-agent  | Script starting at: Tue Oct 21 18:09:02 UTC 2025
checkcle-agent  | Running as user: uid=0(root) gid=0(root) groups=0(root),0(root),1(bin),2(daemon),3(sys),4(adm),6(disk),10(wheel),11(floppy),20(dialout),26(tape),27(video)
checkcle-agent  | Container ID: 0e8b7b226cf2
checkcle-agent  | Checking host directory mounts...
checkcle-agent  | ⚠ Docker socket not mounted - Docker monitoring disabled
checkcle-agent  |   To enable Docker monitoring, add: -v /var/run/docker.sock:/var/run/docker.sock:ro
checkcle-agent  | ✓ Host monitoring mode enabled
checkcle-agent  | ✓ Host directories accessible
checkcle-agent  | ✓ Detected physical host: xxxxxxxxxxxxxxxxxxx
checkcle-agent  | Creating environment file...
checkcle-agent  | Using AGENT_ID from environment: agent_xxxxxxxxxxxxxxxxx
checkcle-agent  | Using SERVER_NAME from environment: xxxxxxxxxxxxxx
checkcle-agent  | Using POCKETBASE_URL from environment: xxxxxxxxxxxxxxxxx
checkcle-agent  | Using SERVER_TOKEN from environment
checkcle-agent  | Using HOSTNAME from environment: xxxxxxxxxxxxxxxxxxx
checkcle-agent  | Starting CheckCle Monitoring Agent for HOST SYSTEM monitoring...
checkcle-agent  | Health check port: xxxxxxxxxxxxxxxxxx
checkcle-agent  | Physical host monitoring: ENABLED
checkcle-agent  | Starting monitoring agent as monitoring-agent user...

but in my docker compose I have this

services:
  monitoring-agent:
    image: operacle/checkcle-server-agent:latest
    container_name: xxxxxxxxxxxxxxxxxxxxxxx
    restart: unless-stopped
    ports:
      - "xxxxxxxxxxxxxxxxxxxxxxx:8081"
    environment:
      - AGENT_ID=xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
      - POCKETBASE_ENABLED=true
      - POCKETBASE_URL=xxxxxxxxxxxxxxxxxxxxxxxxxxxx
      - SERVER_NAME=xxxxxxxxxxxxxxxxxxxxxxxxxxxx
      - SERVER_TOKEN=xxxxxxxxxxxxxxxxxxxxxxxxxxxx
    volumes:
      - checkcle_monitoring_logs:/var/log/monitoring-agent
      - checkcle_monitoring_data:/var/lib/monitoring-agent
      - /dev:/host/dev:ro
      - /proc:/host/proc:ro
      - /sys:/host/sys:ro
      - /var/run:/host/var/run:ro
      - /var/run/docker.sock:/var/run/docker.sock:ro
      - /etc:/host/etc:ro
      - /:/host/root:ro
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:8081/health"]
      interval: 30s
      timeout: 10s
      retries: 3
      start_period: 40s

volumes:
  checkcle_monitoring_logs:
  checkcle_monitoring_data: