Creating a Container in Docker

Introduction to Creating a Container in Docker

Docker is one of the powerful tools for managing containers and with its use, we can easily run applications within containers. In this article, we want to teach you how to create a container using the Docker CLI. Creating a container in Docker is very simple and requires a few key commands. Let's go through this method together.

Initially, you need to ensure that Docker is installed on your system. After installation, you can use the docker command to work with containers. Docker allows you to create new containers, run them, and if needed, stop them.

To create a container, the docker create command is usually used. This command allows you to create a new container based on a Docker image. For example, if you want to create a container using the nginx image, you need to use this command. We will further review the command with more details.

An interesting point here is that you can customize the container using different parameters. For example, you can specify ports or configure environmental variables to set specific configurations for yourself. Allow us to provide you with an example to better understand its usage.

How to Create a Container

docker create --name my-nginx -p 8080:80 nginx

Explanation of the Code

• docker create: This command is used to create a new container.
• --name my-nginx: With this option, you specify the name of the container as my-nginx.
• -p 8080:80: This option maps port 80 inside the container to port 8080 on the host machine.
• nginx: This is the original image from which the container will be created.