Docker Installation and commands

As we know with Docker being part of our daily development work, it is no wonder that more and more people install it on their computers. In this tutorial, we will take a look at installing Docker on Windows 10 or Windows 11. and Linux — Ubuntu

Install Docker Desktop on Windows

Install Docker Desktop on Windows

Installation on Ubuntu

sudo apt-get update
sudo apt install apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu focal stable"
apt-cache policy docker-ce
sudo apt install docker-ce
docker --version

Basic Commands

docker version
docker info #This command displays various information about the Docker installation, such as the number of containers, images, and volumes currently running,
docker daemon -v #he version of the Docker daemon that is currently running.
docker images #lists all the Docker images available on the host. 
docker pull nginx:latest #This command pulls a Docker image from a registry, such as Docker Hub. For example, if you want to pull the latest version of the "nginx" image, you might run:
docker run --name my-nginx-container -p 8080:80 -d nginx:latest
 #Explain :1] docker run is used to run a container from image
           2] --name my-nginx-container name of container 
           3] -p 8080:80 This option maps port 8080 on your host machine to port 80 inside the container. 
           4] -d run a container in detached mode, meaning it runs in the background
           5] nginx:latest specifies the image you want to use to create the containe
 
docker run --name my-co -p 8081:80 -d httpd
docker ps # lists all the running containers.
docker ps -all #lists all containers including the ones that have exited
docker stop <container ID or name> #stop the container
docker exec -it <Container_ID> /bin/bash   #go inside the container
docker rm <container ID or name> #remove container
docker rmi <Image_id or name> #delete the image
docker logs <container ID>
docker exec
docker prune