Building Your Shopify App Backend for High-Volume Merchants
summary
Practical backend tactics: pick measurable SLOs (availability, latency, throughput), instrument with DataDog/New Relic, and pursue 1% improvements every day instead of one-off dragon hunts. For storefronts use throttling and tiered plans to prevent noisy neighbors; for back-office tasks trade latency for consistency and guarantee capture within 60 minutes. Offload webhooks into Lambda + SQS queues so the app consumes at its own pace—Rewind reports processing 8 million webhooks for <$50—and add PagerDuty and load testing to detect real-world bottlenecks.
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chapters (13)
- 0:00Introduction
- 1:04Success kills apps
- 4:25Scaling is reactive
- 5:281% better every day
- 6:34Pick the right battle
- 7:35Storefront bottlenecks
- 8:37Cheating with request queuing
- 10:21Back office consistency
- 12:05Webhooks with Lambda
- 14:11Load testing your app
- 15:15Money scale strategy
- 15:35Resiliency patterns
- 17:19Protect merchant data
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