Pitfalls and insights in mastering serverless API-driven architecture
summary
Explains why serverless shines and where it surprises: Azure Functions consumption vs Premium billing causes unexpected bills when autoscale and prewarmed instances spin up, with a cited one‑year function cost of €32k and Premium plans showing minimum instance charges and burst costs into five figures. Describes a costly anti‑pattern of processing uploaded files inline and the fix to store raw data then process, and recommends limiting instances, tight monitoring, query optimization, durable function chaining, and a well‑architected assessment before choosing serverless.
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chapters (16)
- 0:00Serverless API-driven intro
- 1:05What serverless really means
- 4:20Monolith to serverless
- 8:14Drivers for serverless
- 10:00Benefits of serverless APIs
- 12:50Unexpected serverless costs
- 16:27Azure Functions pitfalls
- 19:43Premium plan scaling costs
- 20:50Debugging serverless functions
- 21:55Vendor lock-in risks
- 22:39Real-world lessons learned
- 25:09Performance optimization tips
- 28:24When to choose serverless
- 30:10Architecture evaluation frameworks
- 31:14Smart parking case study
- 33:45Summary
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