alert_forwarder module
Forward incoming Alertmanager alerts to Slack and/or Telegram.
Environment variables used: - SLACK_WEBHOOK_URL: Incoming webhook URL for Slack (optional) - ALERT_TELEGRAM_BOT_TOKEN: Bot token for Telegram (optional) - ALERT_TELEGRAM_CHAT_ID: Chat ID (or channel) to send alerts to (optional) - ALERT_TELEGRAM_SUPPRESS_ALERTS: Comma-separated alert names to skip on Telegram (optional)
If none are configured, alerts will still be emitted as structured events.