Container-Series on Subhash Dasyam

Container Receipts: The Missing Ingredient in Your Security Recipe : Container SBOMs

Wed, 21 May 2025 22:56:00 +0400

The Mystery of the Missing SBOM

It’s 3 AM when the alert comes in. A critical vulnerability has been found in a library used across the company’s microservices architecture. The security team needs to know: Which containers are affected? When were they built? Who built them? And most importantly - can they prove to auditors that the fix was complete?

Container Networking: The Invisible Connections of DigiLand - PART 5

Wed, 21 May 2025 22:19:00 +0400

Before reading this article please cover the previous part here

A month after optimizing DigiLand’s container images, Maya found herself studying a network diagram in the operations center, puzzled by the complexity of connections between the park’s containerized services.

Container Images: Building the Blueprints of DigiLand - PART 4

Wed, 21 May 2025 22:18:00 +0400

Before moving forward make sure you covered PART 3

Two weeks after her deep dive into container runtimes, Maya found herself in DigiLand’s operations center once again, staring at a deployment pipeline that had slowed to a crawl.

Container Runtime Architecture: The Engine Room of DigiLand - PART 3

Wed, 21 May 2025 22:16:00 +0400

Before starting this please cover PART 2

A week after their deep dive into Linux fundamentals, Maya found Connie in DigiLand’s operations center, carefully examining logs from their container platform.

“The containers are running much better since we optimized our resource limits,” Maya observed. “But I’ve been wondering about something. When I run docker run, what exactly happens between hitting Enter and seeing the container start? What are these ‘runtimes’ you mentioned, and what’s the difference between Docker, containerd, and runc?”

Linux Fundamentals Behind Containers: The Hidden Magic of DigiLand - PART-2

Wed, 21 May 2025 22:14:00 +0400

Before you continue this story, please make sure you covered PART-1

After successfully implementing both virtual machines and containers at DigiLand theme park, Maya was ready to celebrate. The park was running more efficiently than ever, with better resource utilization and faster development cycles.

Containers vs. Virtual Machines: A Journey Through the Magic Kingdom of Computing

Wed, 21 May 2025 21:06:00 +0400

Imagine this: You’ve just been hired as the operations director at “DigiLand,” a struggling theme park that’s trying to modernize. On your first day, you discover the park has a major problem they’re running each attraction on completely separate, dedicated systems that stay mostly empty. The roller coaster has its own power generator that runs at 15% capacity. The Ferris wheel has another generator that’s barely used. And the maintenance costs are astronomical.