# heartbeat.ps1 — minimal site1.erralert.com check-in.
# Schedule from Task Scheduler at whatever cadence you want monitored.

$Url  = "YOUR_URL/heartbeat"
$Body = (@{
  hostname = $env:COMPUTERNAME
  ts       = [DateTimeOffset]::UtcNow.ToString("o")
}) | ConvertTo-Json -Compress

try {
  Invoke-RestMethod -Uri $Url -Method Post -Body $Body `
    -ContentType "application/json" -TimeoutSec 15 | Out-Null
  exit 0
} catch {
  Write-Error $_
  exit 1
}