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IBM Journal Authors: Liz McMillan, APM Blog, Yeshim Deniz, Janakiram MSV, Elizabeth White

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Walkthrough: Building a Database-Driven Serverless Application on IBM Bluemix

IBM Bluemix and OpenWhisk are not new to The New Stack readers. We covered various articles covering the overview and architecture of OpenWhisk.

This tutorial helps you configure a Node.js function that is automatically triggered whenever a new row is inserted into a database. We will take advantage of the the integration between Cloudant “DB as a Service” and OpenWhisk “Functions as a Service” in IBM Bluemix PaaS.

Let’s assume we have a database to capture sales orders. Each time a sales manager closes a deal, a new row is added to the table. Our goal is to send out an email alert if the order value is beyond a specific threshold.

Since we are building the notification engine as a serverless application, it is possible for us to extend the alert delivery as a SMS, mobile push notification, or even a Slack channel notification.

There are three steps to this tutorial: Configuring the environment, creating the Cloudant NoSQL database, and finally configuring and deploying an OpenWhisk function.

Read the entire article at The New Stack

Janakiram MSV is an analyst, advisor, and architect. Follow him on Twitter,  Facebook and LinkedIn.

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More Stories By Janakiram MSV

Janakiram MSV heads the Cloud Infrastructure Services at Aditi Technologies. He was the founder and CTO of Get Cloud Ready Consulting, a niche Cloud Migration and Cloud Operations firm that recently got acquired by Aditi Technologies. In his current role, he leads a highly talented engineering team that focuses on migrating and managing applications deployed on Amazon Web Services and Microsoft Windows Azure Infrastructure Services.
Janakiram is an industry analyst with deep understanding of Cloud services. Through his speaking, writing and analysis, he helps businesses take advantage of the emerging technologies. He leverages his experience of engaging with the industry in developing informative and practical research, analysis and authoritative content to inform, influence and guide decision makers. He analyzes market trends, new products / features, announcements, industry happenings and the impact of executive transitions.
Janakiram is one of the first few Microsoft Certified Professionals on Windows Azure in India. Demystifying The Cloud, an eBook authored by Janakiram is downloaded more than 100,000 times within the first few months. He is the Chief Editor of a popular portal on Cloud called www.CloudStory.in that covers the latest trends in Cloud Computing. Janakiram is an analyst with the GigaOM Pro analyst network where he analyzes the Cloud Services landscape. He is a guest faculty at the International Institute of Information Technology, Hyderabad (IIIT-H) where he teaches Big Data and Cloud Computing to students enrolled for the Masters course. As a passionate speaker, he has chaired the Cloud Computing track at premier events in India.
He has been the keynote speaker at many premier conferences, and his seminars are attended by thousands of architects, developers and IT professionals. His sessions are rated among the best in every conference he participates.
Janakiram has worked at the world-class product companies including Microsoft Corporation, Amazon Web Services and Alcatel-Lucent. Joining as the first employee of Amazon Web Services in India, he was the AWS Technology Evangelist. Prior to that, Janakiram spent 10 years at Microsoft Corporation where he was involved in selling, marketing and evangelizing the Microsoft Application Platform and Tools.