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Maintaining active virtual servers for low-traffic tasks wastes resources. Serverless architectures execute backend code only when queries trigger, scaling down to zero when idle.
Lambda Handler Example
exports.handler = async (event) => {
return {
statusCode: 200,
body: JSON.stringify({ message: "Task completed" })
};
};
Benefits
Serverless functions decrease hosting costs while automatically handling traffic spikes without load-balancer management.