This guide walks you through installing Apache OpenWhisk on an Ubuntu 18.04 desktop, configuring its limits and CouchDB storage, deploying the platform with Ansible, setting up the wsk CLI, and creating and invoking a simple Fibonacci action to verify the deployment.
The article outlines various OpenWhisk serverless use cases—including microservices, web and mobile back‑ends, IoT data pipelines, API services, data processing, and cognitive applications—highlighting its modular scalability, language flexibility, and advantages for building lightweight, cost‑effective cloud‑native solutions.
The article outlines how OpenWhisk’s serverless execution model supports diverse use cases—including microservices, web and mobile back‑ends, IoT pipelines, API services, data processing, and cognitive applications—highlighting its modularity, language flexibility, automatic scaling, and integration with cloud services.
Serverless computing has surged since Amazon introduced Lambda in 2014, and IBM’s open‑source OpenWhisk—now integrated with Bluemix and supporting Node.js—offers a comparable FaaS solution, enabling developers to quickly deploy functions such as a Node.js Yahoo Weather query on the cloud.
