Reducing Cloud Costs with Serverless Architecture

In the current economic climate, optimizing operational expenditure (OpEx) is a top priority for CTOs. Traditional EC2 instances are often over-provisioned, leading to wasted spend.

The Pay-as-you-Go Model

Serverless computing (AWS Lambda, Vercel Functions) allows you to pay only for the compute time you actually use. For many startups and SMEs, this translates to significant savings.

Case Study: London EdTech Startup

We migrated a client's legacy Node.js application from a fleet of always-on EC2 instances to AWS Lambda.

• Before: £1,200/month (EC2 + Load Balancers)
• After: £150/month (Lambda + API Gateway)
• Result: 87% cost reduction.

Cold Starts? Not Anymore.

Historically, "cold starts" were a concern. With newer runtimes and provisioned concurrency, this is largely a solved problem for most use cases.

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