Show HN: Render Workflows – Durable task orchestration without queues or workers(render.com)

  import { task } from '@renderinc/sdk/workflows'
  import { Render } from '@renderinc/sdk'
  
  const chargeCard = task(
    {
      name: 'chargeCard',
      retry: { maxRetries: 5, waitDurationMs: 1000, backoffScaling: 2 },
      timeoutSeconds: 300,
      plan: 'standard',
    },
    async function chargeCard(invoiceId: string) {
      // call Stripe or your payment provider here
      return { invoiceId, chargeId: `ch_${invoiceId}` }
    }
  )
  
  const writeLedger = task(
    { name: 'writeLedger' },
    async function writeLedger(invoiceId: string, chargeId: string) {
      // persist accounting entry
    }
  )
  
  const sendReceipt = task(
    { name: 'sendReceipt' },
    async function sendReceipt(invoiceId: string, chargeId: string) {
      // email customer
    }
  )
  
  const processInvoice = task(
    { name: 'processInvoice' },
    async function processInvoice(invoiceId: string) {
      const charge = await chargeCard(invoiceId)
  
      await Promise.all([
        writeLedger(invoiceId, charge.chargeId),
        sendReceipt(invoiceId, charge.chargeId),
      ])
  
      return { chargeId: charge.chargeId }
    }
  )
  
  // from your app:
  const render = new Render()
  const startedRun = await render.workflows.startTask(
    'billing/processInvoice',
    ['inv_123']
  )
  const finishedRun = await startedRun.get()
  console.log(finishedRun.results)