[BUG] Give up the way to run "prometheus-msteams" in docker

[ozbillwang]

Describe the bug

Spend so much time on the problem when run prometheus-msteams in docker, always get the error i/o timeout

Finally switch to run the binary directly in a ubuntu VM, it works directly.

Version
1.5.2

To Reproduce
Steps to reproduce the behavior:

run with docker compose

version: '3.8'

services:
  prom2teams:
    image: quay.io/prometheusmsteams/prometheus-msteams
    restart: always
    environment:
            TEAMS_INCOMING_WEBHOOK_URL: "<webhook_url>"
            TEAMS_REQUEST_URI: "alertmanager"

    ports:
            - 2000:2000

Error

I can see the request, then get timeout error , the message never be sent to MS Teams channel

2023/05/17 13:45:38 [ERR] POST https://<webhook_url> request failed: Post "https://<webhook_url>": dial tcp 52.98.0.146:443: i/o timeout