NOTE: This is a summary of https://aws.amazon.com/startups/modern-application-development/ that is written to help explain the concept to myself. Introduction Modern applications are accelerating how startup build customer value. In order to compete in the new world, startup must be able to create better experience at a quicker pace. …

During my stay-home-notice, I wanted to build something using AWS. One day, my wife mentioned to me about a chat bot (created by Zing Zai@) to provide filtered listing information directly to your telegram and I decided to build upon it. TLDR Open telegram and search for the bot : @llesc_bot …

Setting up env variable in npm script is an easy way to run scripts with the proper env variable setup. This pattern allow us to abstract sensitive information from code and provide customization based on the individual needs. A classical pattern use in npm script will look like this "scripts"…

So I have a web app that uses AWS Cognito for user management. Recently, I needed to retrieve a list of users from AWS Cognito User Pool. This is a simple task if you the luxury of a backend-server that could interact directly with AWS. As I was building an…

I needed a lambda function and expose it through an api gateway for my web client. Surprisingly, this was easily done through amplify CLI. The interactive console makes creating the necessary assets easy. By answering a few questions and performing a simple. > amplify init > amplify add api .... > amplify push…

As a developer, I want to have an autocomplete feature for aws cli. Luckily, I found https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-completion.html However, simply adding this 2 line in ~/.zshrc did not work for me autoload bashcompinit && bashcompinit complete -C '/usr/local/bin/aws_completer' aws and I got this error complete:13: command not found: compdef I found out that I need to activate the completion system in zsh using

Lesson 1 : Make it simple Making things public requires things to be simple. Like teaching a little boy how to use his spoon to scoop up the food on the table. I imagine myself as the very same guy who would look into library codes to understand what the original creator was thinking. …

Dispatching an action in Redux is simple. Looking at the documentation, the recommended property in an object is ‘type’ //Action creators are exactly that—functions that create actions function addTodo(text) { return { type: ADD_TODO, text: "Add this to todo list" } } and we could simply pass the object to…

Moving to react has its quirks especially for SEO team. 2 main problem It only works with clients that has javascript enabled Not able to be crawled by Search Engine Now we got problems, lets start our research Times have changed. Today, as long as you’re not blocking Googlebot from crawling your JavaScript…