Tag: Docker

Google Cloud: Introduction to Container Registry

Overview Google Container Registry is a private container image registry that runs on Google Cloud’s reliable, fast, and secure infrastructure. You can access Container Registry through secure HTTPS endpoints, which allow you to push, pull, and manage images from any system, VM instance, or your own hardware. Additionally, you can use the Docker credential helper command-line tool […]

Google Cloud: Introduction to Cloud Run

What is a GCP Cloud Run? Cloud Run is a GCP service provided which allows you to run your stateless HTTP containers without worrying about the provisioning of machines. In Cloud Run, you begin from a “container image” to a fully managed application which auto-scales with requests using a single command. You only pay when […]

Docker Swarm: Performing Rolling Upgrade of a Service

As per business requirement, we might want to perform rolling updates to our services for configuration changes and new Docker Image versions without any downtime. In this part of the tutorial, we will deploy a service based on the Redis 3.0.6 container tag. Then we will upgrade the service to use the Redis 3.0.7 container […]

Docker Swarm: Container Orchestration Using Docker Swarm

Introduction A swarm consists of multiple Docker hosts that run in swarm mode and act as managers (to manage membership and delegation) and workers (which run swarm services). A given Docker host can be a manager, a worker, or perform both roles. When Docker is running in swarm mode, you can still run standalone containers on any […]

Docker: Manage Data in Docker -Understanding “Docker Volumes” and “Bind Mounts”

Introduction By Design, Docker containers don’t hold persistent data. Any data you write inside the docker’s writable layer is no longer available once the container is stopped. It can be difficult to get the data out of the container if another process needs it. Also, a container’s writable layer is tightly coupled to the host […]

Docker: Using “Dockerfile” to Automate Image Building

In my previous article titled “Docker: Advance Docker Commands and Pushing Image to Docker Hub,” we have learned about some advanced docker commands and how to push your image to “Docker Hub”. In this article, we are going to learn about automatic image building using Dockerfile. A Dockerfile is a script/text configuration that contains a collection of commands and instructions […]

Docker: Advance Docker Commands and Pushing Image to Docker Hub

While my previous article titled,“Docker: Installing Docker and Understanding basic docker commands”, provides detailed information about how to install docker and some basic commands, In this article, we are going to see some advanced docker commands. We will discuss the topics one by one. 1. Giving a name to your container As explained in my previous […]

Docker: Installing Docker and Understanding basic docker commands

Now since we have understood the basic architecture of Docker in my previous tutorial titled “Docker: Understanding Docker Architecture and Components”, lets now learn how to install Docker and run some basic commands. Pre-requisites For our demonstration, we will be using centos-07. We will be using 1 machine for our lab with the below IP details: […]

Docker: Understanding Docker Architecture and Components

Docker is an open platform for developing, shipping, and running applications. Docker provides the ability to package and run an application in a loosely isolated environment called a container. The isolation and security allow you to run many containers simultaneously on a given host. Containers are lightweight because they don’t need the extra load of […]

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