Let’s look at how to harden and secure the Docker for the production environment. Although Docker has made it possible for software developers and DevOps engineers to build and deploy applications rapidly, it also comes with a large attack surface for cyber hackers to leverage on. We will look at how to secure a Docker…
A step-by-step guide to install Docker on your favorite OS. Docker is an open-source project that supports building, testing, deploying, and managing applications in self-sufficient, portable containers. Generally, the container images have all the resources that an application requires to run. Today, Docker has become a popular tool for deploying and managing applications as containers…
Wondering how to change the docker.sock file path? What is Docker Socket? Docker socket file is located at /var/run/docker.sock It is used to communicate with the main docker daemon (process) by default. It is the entry point for a Docker API. This socket is used by Docker CLI by default to execute docker commands. Let…
One of the frequent questions asked about Docker is how it differs from VM (virtual machine). When it comes to cloud infrastructure, the virtual machine has been the go-to standard for many of its advantages. However, what if you had an alternative to a virtual machine that was more lightweight, economical, and scalable. That’s precisely…
Let’s learn Docker Networking…. There are majorly five networks in docker – bridge, host, overlay, none, and macvlan. Bridge network is the default network in docker. An introduction to these networks has been given in my previous article on docker architecture. In this article, I will show you the practical part of docker networking. You…
Let’s get familiar with Docker architecture and its essential components. I assume you have a basic understanding of Docker. If not, you may refer to the previous article. Understanding Docker for Beginner – the Container Technology I believe you understand the Docker importance in DevOps. Now behind this fantastic tool, there has to be an…
Host your Docker applications on the best cloud platform. Docker is a popular containerization tool in DevOps. It runs your application inside a container, uses minimum resources, can be deployed faster, and it can scale quickly. When you are working in a live production environment, there might be 100s of docker containers running in multiple…
All about the Docker Swarm and how it manages and orchestrates all the containers in a cluster. What is Docker Swarm? Docker swarm is a mode of handling a cluster of Docker Engines, hence the name Swarm. The cluster of Docker hosts run in swarm mode consisting of managers and workers. The docker-engine instances which…
While working on docker projects, most of the time, existing docker images won’t meet your requirements. This is where Dockerfile comes into the picture; it will help you create custom Docker images. Hence, knowing about Dockerfile is essential. What is Dockerfile? It is a simple text file with a set of command or instruction. These…
Wondering what Docker Compose is? Docker is the most popular containerization tool in the DevOps world. But, What is Docker Compose? Docker Compose is used to run applications which have multiple containers using a YAML file. There can be several cases where the docker application must run multiple containers for different technology stack. Now building,…
