DEV Community

Cover image for Docker essential commands
Abhishek Pathak
Abhishek Pathak

Posted on • Edited on

Docker essential commands

#docker #linux #scor32k

Image Management

Pull an Image from Docker Hub 

docker pull image_name:tag
Enter fullscreen mode Exit fullscreen mode

List Downloaded Images 

docker images
Enter fullscreen mode Exit fullscreen mode

Remove an Image 

docker rmi image_name:tag
Enter fullscreen mode Exit fullscreen mode

Container Lifecycle

Create a Container 

docker run --name -d container_name image_name:tag
Enter fullscreen mode Exit fullscreen mode
  • --name -> give name to container
  • -d -> detach mode. Container will run in background. ### Container with Port Mapping 
docker run -d -p 3000:5173 --name rc1 react-image
Enter fullscreen mode Exit fullscreen mode
  • -p -> Map port 3000 of host machine to 5173 port exposed by the docker container ### Start a Container 
docker start container_name
Enter fullscreen mode Exit fullscreen mode

Stop a Running Container 

docker stop container_name
Enter fullscreen mode Exit fullscreen mode

Restart a Container 

docker restart container_name
Enter fullscreen mode Exit fullscreen mode

Remove a Stopped Container 

docker rm container_name
Enter fullscreen mode Exit fullscreen mode

Container Management

List Running Containers 

docker ps
Enter fullscreen mode Exit fullscreen mode

List All Containers (Including Stopped) 

docker ps -a
Enter fullscreen mode Exit fullscreen mode

View Logs of a Container 

docker logs container_name
Enter fullscreen mode Exit fullscreen mode

Access a Shell Inside a Container 

docker exec -it container_name /bin/sh
Enter fullscreen mode Exit fullscreen mode
  • it -> runs the Docker image in interactive mode (keep Standard Input Stream)
  • /bin/bash -> shell inside the container

Networking

List Docker Networks 

docker network ls
Enter fullscreen mode Exit fullscreen mode

Create a Docker Network 

docker network create new_name # new bridge netwok will be created
Enter fullscreen mode Exit fullscreen mode

Container with New Network 

docker run -d --network=new_name --name secure image_name
Enter fullscreen mode Exit fullscreen mode

Volume Management

Create a Volume 

docker volume create volume_name
Enter fullscreen mode Exit fullscreen mode

List Volumes 

`docker volume ls
Enter fullscreen mode Exit fullscreen mode

Attach a Volume to a Container 

# docker run -v dirLocalDirectory:dirContainerDirectory -d -p 3000:5173 --name rc1 react-image docker run -v $(pwd):/app/ -d -p 3000:5173 --name rc1 react-image
Enter fullscreen mode Exit fullscreen mode

Docker Compose (for Multi-Container Applications)

Start Containers Defined in a Compose File 

docker-compose up
Enter fullscreen mode Exit fullscreen mode

Stop and Remove Containers Defined in a Compose File 

docker-compose down
Enter fullscreen mode Exit fullscreen mode

Rebuild Images each time 

docker-compose up --build
Enter fullscreen mode Exit fullscreen mode

Cleanup

Remove All Stopped Containers 

docker container prune
Enter fullscreen mode Exit fullscreen mode

Remove All Unused Images 

docker image prune
Enter fullscreen mode Exit fullscreen mode

There are many more commands to go with, but these are some of the most basic and important ones.

If the article helps you, leave a like, follow, or anything 🙂.

You can follow me on LinkedIn, GitHub, Dev.to and hashnode.

Bye

Top comments (0)