There isn’t much literature about the internal workings of Compose, the amazing declarative framework which allows you to build not only Android apps but also cross-platform applications. In this article, I would like to explain the core concepts of how Compose works internally. This is going to be a very theoretical exploration, but I’ve created flowcharts to help build a mental model. I’ve skimmed over some parts that I thought weren’t crucial for understanding Compose’s internal mechanics.

Background

Compose was heavily inspired by React and was initially built as an extension of the old Android view system, where you can replicate the XML structure in Kotlin. However, while it initially worked using the old view system, JetBrains didn’t want to integrate that capability into the Kotlin language. This led Google to develop an alternative using function syntax.

https://twitter.com/AndroidDev/status/1363207926580711430

Compose isn’t ...

If you seek to unlock the potential of a powerful trifecta — Ktor, PostgreSQL, and Docker — in your pursuit of seamless deployment, you’ve come to the right place.

Today we embark on a journey revealing the art of deploying a Ktor-PostgreSQL server using Docker on Hostinger or any other server of your choosing

Part I: Laying the Foundations — PostgreSQL and Flyway — First, we shall lay the cornerstone of our server’s infrastructure. Using Docker, we set up a PostgreSQL database. To ensure seamless migrations, we shall use the help of Flyway.

Part II: Launching the Ktor Server — Docker at its Finest — Next we will look at deploying our code on a server using Docker and Docker Hub.

Part III: Reaching Zenith — Seamlessly Updating and Migrating — Finally we will learn the art of server updates ...