Jun 26, 2018How to write Alexa skill data to DynamoDB with AWS LambdaIn this demo, We’ll go over how to write Alexa skill data to DynamoDB with AWS Lambda. The skill, we’re going to build is an expense tracking assistant called “My expenses”. The user can ask to add an expense record and state the amount and the category of the expense…AWS Lambda3 min readAWS Lambda3 min read
Apr 20, 2017Getting started with Serverless microservices with AWS LambdaIn this article, you’ll learn how to build a node.js serverless microservice — deploy it on AWS Lambda with DynamoDb and place it behind AWS API Gateway. We’ll be using the serverless framework — an open-source, application framework to easily build serverless architectures on AWS Lambda. Prerequisites Node.js installed $ node…AWS5 min readAWS5 min read
Mar 11, 2017High Availability with Route53 DNS FailoverDNS failover feature in Route53 is very useful during an outage of your application, as it’s automatically routes traffic to alternate locations where your application is operating properly. Failover configuration can be either active-passive or active-active, if not you can also consider to go for a even more complex setup…AWS4 min readAWS4 min read
Jul 17, 2016AWS SNS — Send SMS in Sri LankaWith the recent announcement of its worldwide support to send SMS, now we can deliver both transactional and promotional text messages to carriers in Sri Lanka — a much awaited feature in SNS. (earlier it was a US-based phone numbers only feature in SNS) Along with this expansion, SNS has…Sri Lanka2 min readSri Lanka2 min read
Nov 28, 2015Using CDN for Assets HostingIn general a web application consists of 2 types of assets — Static & Dynamic. Static assets doesn’t change very often — logos, banner images, javascripts, stylesheets and other rich media contents such as audio, video can be considered as static assets. On the other hand dynamic assets can be…Cdn2 min readCdn2 min read
Oct 31, 2015Load Balancing AWS RDS MySQL read traffic using Route53 Weighted Routing[Update] As of Sep 2016, AWS Aurora has the load balancing built-in — By using the cluster endpoint, you can load-balance connections across the replicas in the DB cluster. As of Nov 2017, Auto-scaling is available for Aurora read-replicas. …AWS3 min readAWS3 min read
Oct 30, 2015AWS-Ruby SDK and Elastic Transcoder ExampleAWS Elastic Transcoder is a very handy service if you looking for a cost effective, scalable solution to Transcode your audio or video files. …AWS2 min readAWS2 min read
Oct 30, 2015Installing nvm, nodejs and npm on UbuntuThose who familiar with Ruby must know how useful was your rbenv and rvm. When it comes to nodejs you have nvm —( node version manager) for the same job. Installing nvm, nodejs and npm on a ubuntu box is just few commands. Let’s get started. Install nvm — Let’s…How To1 min readHow To1 min read
