The text discusses the benefits and procedures of using AWS Lambda's container support for hosting low-traffic REST APIs, specifically with the Flask framework. This approach allows developers to maintain services that require high availability without incurring costs when the services are idle, as charges are only applied when the API is called. By containerizing the application, developers can use standard development practices without needing specialized knowledge of serverless architecture, achieving zero-cost idle periods while facing trade-offs like cold starts. The text highlights using Pulumi for infrastructure as code, which simplifies AWS resource management by enabling safe, repeatable infrastructure changes and provides type-checking and IDE support. The flexibility of this container approach allows for easy transitions between different cloud services, and the approach is particularly suitable for APIs with sporadic traffic and cost-sensitive projects, reducing operational complexity by automating scaling and minimizing server management.