The Twelve-Factor App methodology is a methodology for building software-as-a-service applications by Adam Wiggins. We cover how they have since evolved, and what we can learn from them today and how they changed the status quo of yesteryear.

As you venture into more complicated architecture setups, there are a few things engineers sometimes don't understand when setting up consensus-based systems. Understanding quorums and fault tolerance are critical in understanding such systems.

There is often a level of focus on the bigger picture when it comes to system design, but we often don't think about the underlying components in these systems. So let's chat about different levels of memory.

Understanding latency is essential in all parts of our systems, including registers, main memory, disk, and network.

Lets talk about encryption foundational topic in system design. Encryption involves converting human-readable plaintext into incomprehensible text, which is known as ciphertext and decrypting it back to plaintext again.