Cron Expression Parser in AWS Lambda

Marijan Nikic

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29 Aug 2021CPOL5 min read

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Cron expression parser written in Node.js on AWS Lambda

This is an example of a simple API on AWS Lambda, with full instructions on how to create a simple webpage and connect it to API, all in AWS console. The services used: AWS Lambda, AWS API Gateway, AWS Amplify. The code for the Lambda function is written in Node.js. It is a cron expression parser that gives you the next time a given cron expression will fire an event.

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Written By

Marijan Nikic

User Interface Analyst Raiffeisenbank Austria

Croatia

I acquired Masters degree in computing science at the Faculty of Electrical Engineering and Computing in Zagreb, Croatia in 2009. Following my studies, I got a job in a Croatian branch of Austrian-based CEE Raiffeisen Bank as an MIS (Management information system) analyst.
I have been working there since 2010, as an IT expert within the Controlling department, maintaining the Oracle's OFSA system, underlying interfaces and databases.
Throughout that time, I have worked with several different technologies, which include SQL & PL/SQL (mostly), postgres, Cognos BI, Apparo, Datastage, ODI, Jenkins, Qlik, ...
I am doing a lot of automation with scripting in batch / shell and VBscript (mostly) - data analysis and processing, automated DB imports and exports, Jenkins automation etc.
Privately, I was mostly doing Windows Forms and Console app tools in Visual Studio, C#.

Cron Expression Parser in AWS Lambda

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