Containerisation

Take the first step towards deploying applications! Container technology is currently the hottest technology used to launch applications. And the most popular product out there is Docker! Know more about the concepts behind this awesome technology in this series

8 posts

Bonus: The Image "Trim Down"

public – 8 min read

Shipping lightweight Docker images to production environments is the standard practice in the industry. But the task of trimming down the image size can be a daunting task. In this post, we find out how images can be trimmed down by using the builder pattern or multi-stage method.

Jun 13, 2021

Part VI : Podman to the Rescue!

public – 8 min read

Podman, a platform which runs and manages rootless containers,adds an additional layer of security over Docker. In this post, we play around with the "docker alias" podman CLI to see if its really rootless.

Jun 1, 2021

Part V: Podman is so "Rootless"!

public – 6 min read

Docker daemon runs with elevated root access which is a security loophole. Rootless containers avoid this by allowing non privileged users to run containers through the use of user namespaces.Podman is one framework that allows running and managing rootless containers.

May 30, 2021

Part IV - Why Docker ain't Perfect

public – 4 min read

Docker simplifies and accelerates your workflow and deployment. But due to this friendly behavior of Docker, we tend to overlook some of its limitations & vulnerabilities. In this post we'll be looking at Docker through a major aspect: Security.

May 29, 2021

Part III: Storage, the Docker Way

public – 7 min read

When a container is created, an additional writable layer called the "container layer" substitutes for the filesystem within the container. But all files created within the container will not be persisted on the host. Hence, we use Docker bind mounts and volumes to allow persistence.

May 18, 2021

Part II - Dockerising an application

public – 6 min read

What Is a Dockerizing ? Dockerizing is the process of packing, deploying, and running applications using Docker containers.

May 3, 2021

Part I: Unpacking Containers

public – 6 min read

Containers are simply processes that use Linux concepts of namespace and cgroups. In this post, we look at the technicalities of container images and also explore Docker, the most widely used platform for container technology.

Apr 27, 2021

Series Introduction: A History Class on Deployments

public – 5 min read

Deploying your application means that it should work on another system without any hiccups. How do you ensure that all consumers can use your application seamlessly? Let's look at how deployments were done over the past few years.

Apr 26, 2021