DynamoDB is a fully managed NoSQL database service that supports key/value and document data structures offered by AWS. Whereas, AWS AppSync is a serverless GraphQL and Pub/Sub API that simplifies application development. …

There are different logging interfaces in go-lang. Each and every library comes up with its version of logging interfaces. While we are building web back ends using go, we might want the libraries to use our own unified logging. …

Live Streaming has come a long way from having minutes of latency to ultra low latency. Live stream has always been hard to do because of different things like; video quality, codecs, encoding decoding, internet speeds, etc. As far the understanding goes, live streaming in the internet currently is done…

When we need to run a task after certain period of time, at a given time, on intervals etc, we need to use task scheduling system that is responsible for running tasks like; sending emails, push notifications, closing accounts at midnight, clearing tables etc. In this story, we will build…

Containerizing development environment has it’s own benefits like having the same dependencies as the deployment machine which solves most of the “works on my machine but not on deployment server” problems. …

One of the major point in SOLID principle is Dependency Injection where dependencies are injected into one another making them more flexible for development. …

In computation theory, the Finite State Machine (FSM) is those machines that can have a finite number of states at a given time. These machines are used in our daily life such as; vending machines, elevators, traffic lights, etc. Not only in hardware these machines are used in the software…

Chart.JS is a popular java script charting library. Various kinds of Charts can be built with it but when I was searching for building Pyramid Chart (Stacked Bar Chart), I couldn’t find any tutorials that shows how to build the chart I wanted using chart.js …

Server-Sent Events (SSE) can be used to send data from server to the client in uni directional manner that will be useful for use cases such as; logging, live feed etc. …