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Serverless is a Scam.
- Every time someone reaches for serverless to build a simple backend, a container dies inside me.
- Serverless promises simplicity, scalability, and zero maintenance, but in reality, it brings time limits, vendor lock-in, surprise billing, and complexity.
- Serverless deployment means handling individual functions on a cloud platform without managing the server directly.
- However, serverless comes with strict runtime limits, zero state retention, cold starts, opaque debugging, vendor-specific quirks, and a lot of YAML.
- Compared to serverless, containers offer simplicity, power, and stability with features like state retention, no time limits, and easy debugging.
- Serverless pricing is designed to confuse users with per-invocation, memory, duration, and data transfer costs, leading to unpredictability and hidden charges.
- Containers excel in predictability, observability, resource limits, and scalability without the complexity and unpredictability of serverless pricing.
- Serverless forces statelessness, creating dependencies on external services, while containers allow in-memory caching, local file storage, and long-lived connections.
- Containers offer more control and understanding of the system without the need to manage servers directly.
- In conclusion, while serverless has its niche for specific tasks, containers remain a more reliable, transparent, and cost-effective choice for building real applications.
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