Often times, one logical group of virtual network (VPC) in AWS would want to interact with the other. AWS has provided options to connect between VPCs of the same region and also different regions. VPC Peering is a networking connection provided by AWS to connect two VPCs. The VPCs can…

Introduction Before working in serverless technologies, most of the applications I worked on were hosted on-prem. I used to interact with the infrastructure team and the questions they ask were sometimes not understandable to the application developers. The talk about firewall, ip addresses, ssl, ftp, connect direct connections are too much…

Introduction Amazon VPC (Amazon Virtual Private Cloud) is used to launch AWS resources into a virtual network. The various components inside the Amazon VPC defines the traffic, security, routing configurations etc. Regions and Availability Zones AWS Global Infrastructure at the high level were distributed as Regions. Region is a physical location in the world like…

Serverless Framework helps to build and operate serverless applications easier and faster. I mostly work with AWS resources now and if I were to use different cloud providers in the future, I can still use this framework. …

In this blog post, we will look into how to create simple AWS Step Functions using a serverless framework. — Why I choose serverless? Because it defines everything in a single file: IAM Role Statements Lambda Function Handlers Lambda Function Triggers Step Function States CloudFormation resources Now, let us start building the step functions. Step 1: Create the node-js template project using the following command

I thought it’s about time to have my own domain name. Instead of writing blogs in different channels, I thought I will host it on my own website. Having the domain names will also help me in my side projects. So pradheepa.com is bought. …

Recently I updated my python version in Mac and realized that awscli stopped working after that. I was getting the error message as below -bash: /usr/local/bin/gimme-aws-creds: /usr/local/Cellar/gimme-aws-creds/2.3.5/libexec/bin/python: bad interpreter: No such file or directory` To fix this error, uninstall the old version of the awscli sdk and re-install it again. brew reinstall awscli brew link --overwrite awscli

In the previous article, I gave an overview of what PKCE is. If you have landed here directly, please make sure to give a read of Part I. So where are we? Some upgraded railway station in a suburb. Yeah, that is what PKCE is, an upgraded OAuth Flow for…

Everybody loves a story right?. And I love telling stories. So forget about the title ‘PKCE’ for few minutes. Let’s travel to some nice quiet place . Wait, How are we gonna go. Let’s take a train. Come on !!! First thing I need is a ticket to board the…