#!/bin/bash
# Send a Slack notification via webhook.
# Usage: notify "Deployment of v1.2.3 succeeded" "#deployments"

notify() {
    local msg="$1"
    local channel="${2:-#ops}"
    curl -sf -X POST "$SLACK_WEBHOOK_URL" \
        -H "Content-Type: application/json" \
        -d "{\"channel\": \"$channel\", \"text\": \"$msg\"}"
}