What are Docker Containers?
- Docker containers are runtime instances of docker images. They are very lightweight, and share the kernel of the host OS. These are the places where the actual application code is being executed and all the dependencies, libraries, environment variables required for the application are present inside them.
- Containers are created by running a docker image. Docker image acts as a executable, on executing which, we get docker containers.
Today we are going to learn about the 2nd point of these 2 points, that is how to create docker containers from docker images. Basically, this is achieved by using the docker run command. Given below are the steps to do this.
How To Create a Docker Container from an Existing Image?
Docker is an open-source software, that is used to contanerize our applications. Containerizing applications makes deployment a lot easier. For containerizing applications, docker uses Docker images, which act like templates for making containers. Today we will learn how to create a container from an existing Docker image, but before that, let’s take a quick look at What are Docker images and containers.
Table of Content
- What is Docker Image?
- What are Docker Containers?
- What is Docker Container Create?
- Description
- Docker Container Create Options
- Examples of Docker Container Create
- How to Build A Docker Container Image? A Step-By-Step Guide
- How to Create Docker Containers from Docker Images? A Step-By-Step Guide
- Example of Running a Nodejs Web App Docker Image
- Build, Name and Tag the Docker Container Images
- Running And Viewing Docker Containers
- TroubleShooting of Docker Container Create
- Docker Container Create – FAQs