Logo

dev-resources.site

for different kinds of informations.

Top 20 Docker Commands with Examples and Outputs

Published at
1/15/2025
Categories
docker
cli
tutorial
devops
Author
omerberatsezer
Main Article
https://dev.to/omerberatsezer/top-20-docker-commands-with-examples-and-outputs-55c8
Categories
4 categories in total
docker
open
cli
open
tutorial
open
devops
open
Author
14 person written this
omerberatsezer
open
Top 20 Docker Commands with Examples and Outputs

Important Docker commands with their outputs:

docker pull

  • downloads an image from Docker registry 
user@docker:$ docker pull nginx:latest # download latest tag
Using default tag: latest
latest: Pulling from library/nginx
a480a496ba95: Pull complete
Digest: sha256:28402db69fec7c17e179ea87882667
Status: Downloaded newer image for nginx:latest
docker.o/library/nginx:latest
Enter fullscreen mode Exit fullscreen mode

docker run

  • runs a container from an image 
user@docker:$ docker run -d -p 8080:80 nginx:latest
# -d => run in detach mode (background)
# -p => publish port  <host>:<container>
8f9f97dc08ffddb173ebe61eaa871b2944
Enter fullscreen mode Exit fullscreen mode

docker ps

  • lists all running containers 
user@docker:$ docker ps
user@docker:$ docker ps -a
CONTAINER ID  IMAGE               COMMAND                     CREATED            STATUS                      
8f9f97dc08ff     nginx:latest     "/docker-entrypoint"   2 minutes ago   Up 2 minutes
Enter fullscreen mode Exit fullscreen mode

docker images

  • lists all downloaded images 
user@docker:$ docker images
REPOSITORY      TAG        IMAGE ID            CREATED             SIZE
nginx                     latest     3b25b682ea82   4 weeks ago     192MB
Enter fullscreen mode Exit fullscreen mode

docker rm

  • removes a stopped container 
user@docker:$ docker container rm -f my_container
8f9
user@docker:$ docker image rm -f nginx            # force to delete image
Untagged: nginx:latest
Untagged: nginx@sha256:28402db69fec7c17e179ea8788266
Deleted: sha256:3b25b682ea82b2db3cc4fd48db818be788ee
Deleted: sha256:3e8a4396bcdb62aeb916ec1e4cf645000380
Enter fullscreen mode Exit fullscreen mode

docker rmi

  • removes a specific image 
user@docker:$ docker rmi nginx
Untagged: nginx:latest
Untagged: nginx@sha256:28402db69fec7c17e179ea8788266
Deleted: sha256:3b25b682ea82b2db3cc4fd48db818be788ee
Deleted: sha256:3e8a4396bcdb62aeb916ec1e4cf645000380
Enter fullscreen mode Exit fullscreen mode

docker exec

  • runs a command inside a running container 
user@docker:$ docker exec -it my_container bash
user@docker:$ docker exec -it my_container bin/sh
# pwd
/
# read escape sequence      # CTRL + P + Q => go to host
user@docker:$
Enter fullscreen mode Exit fullscreen mode

docker build

  • builds an image from a Dockerfile 
user@docker:$ docker build -t myapp .    
# if Dockerfile in the same directory
user@docker:$ docker build -t myapp -f /other-directory/Dockerfile .
# if Dockerfile in the different directory path
Enter fullscreen mode Exit fullscreen mode

docker logs

  • shows logs from a container 
user@docker:$ docker logs my_container
2024/11/01 21:20:08 [notice] 1#1: nginx/1.27.2
2024/11/01 21:20:08 [notice] 1#1: built by gcc 12.2.0 (Debian 12.2.0-14)
2024/11/01 21:20:08 [notice] 1#1: OS: Linux 5.10.60.1
Enter fullscreen mode Exit fullscreen mode

docker network ls

  • lists all networks 
user@docker:$ docker network ls
NETWORK ID     NAME        DRIVER    SCOPE
19cb6e2b2cab   bridge       bridge    local
8ab407104066   host           host      local
67944d3050a3   none          null      local
Enter fullscreen mode Exit fullscreen mode

docker volume ls

  • lists all volumes 
user@docker:$ docker volume ls
DRIVER    VOLUME NAME
local          3a243556537e4e11
local          myvolume
Enter fullscreen mode Exit fullscreen mode

docker login

  • login dockerhub or docker registry 
user@docker:$ docker login
Login with your Docker ID to push and pull images from Docker Hub.
Username:
Password:
Enter fullscreen mode Exit fullscreen mode

docker tag

  • creates a new tag for an image, useful for renaming or versioning 
user@docker:$ docker tag nginx:latest my_nginx:latest
REPOSITORY    TAG            IMAGE ID                CREATED           SIZE
my_nginx           latest        3b25b682ea82      4 weeks ago     192MB
nginx                   latest        3b25b682ea82      4 weeks ago     192MB
Enter fullscreen mode Exit fullscreen mode

docker push

  • uploads an image to Docker Hub or another Docker registry 
user@docker:$ docker push <my_username>/my_nginx
The push refers to repository [docker.io/<my_username>/my_nginx]
e4e9e9ad93c2: Mounted from library/nginx
latest: digest: sha256:7ba542bde95e6523a4b126f610 size: 1778
Enter fullscreen mode Exit fullscreen mode

docker save

  • saves a Docker image as a .tar archive 
user@docker:$ docker save -o <imageName>.tar  <imageName>
user@docker:$ docker save -o my_nginx.tar my_nginx
user@docker:$  ls
my_nginx.tar
Enter fullscreen mode Exit fullscreen mode

docker load

  • loads an image from a .tar archive 
user@docker:$ docker load -i my_image.tar
user@docker:$ docker load -i my_nginx.tar
Loaded image: my_nginx:latest
Enter fullscreen mode Exit fullscreen mode

docker stats

  • displays real-time resource usage statistics for containers 
user@docker:$ docker stats
CONTAINER ID   NAME      CPU %     MEM USAGE / LIMIT   MEM %     NET I/O   BLOCK I/O   PIDS
Enter fullscreen mode Exit fullscreen mode

docker-compose up

  • starts and runs all services defined in a docker-compose.yml file 
user@docker:$ docker-compose up -d      
# -d => run detach mode, background
Enter fullscreen mode Exit fullscreen mode

docker-compose down

  • stops and removes all services and networks created by docker-compose up 
user@docker:$ docker-compose down
Enter fullscreen mode Exit fullscreen mode

docker system prune

  • cleans up unused containers, images, networks, and volumes 
user@docker:$ docker system prune
user@docker:$ docker system prune -a
WARNING! This will remove:
  - all stopped containers
  - all networks not used by at least one container
  - all images without at least one container associated to them
  - all build cache
Are you sure you want to continue? [y/N] y
Deleted Containers: 94eabb9dd32f55061bc3d6
Enter fullscreen mode Exit fullscreen mode
docker Article's
30 articles in total
Favicon
Building bun-tastic: A Fast, High-Performance Static Site Server (OSS)
Favicon
Day 04: Docker Compose: Managing multi-container applications
Favicon
Infraestrutura para análise de dados com Jupyter, Cassandra, Pyspark e Docker
Favicon
Building RelaxTube: A Scalable Video Transcoding and Streaming Application
Favicon
Docker vs kubernetes
Favicon
Advanced Docker Concepts and Features
Favicon
Building and Deploying Your First Java App with Docker in Just 5 Minutes
Favicon
Realtime troubleshooting based questions docker compose
Favicon
common Docker Compose interview questions.
Favicon
[Boost]
Favicon
Docker scenario
Favicon
TOP 10 TYPES OF DOCKER COMMANDS
Favicon
how to inspect a docker container
Favicon
How to run a Nginx-web server
Favicon
Docker article Best
Favicon
Load Balancing Node.js Applications with Nginx Upstream Configuration
Favicon
Top 20 Docker Commands with Examples and Outputs
Favicon
🌟 Deploying a Live Project Without a Dockerfile Using Buildpacks 🌟
Favicon
A Conversation with Docker CTO Justin Cormack and Flux CEO Ron Efrani: The Future of Developer Environments
Favicon
Understanding Node.js Alpine Versions: A Lightweight Choice for Your Projects
Favicon
Day 03: Docker Images and Containers: Building, Pulling, and Running Docker Containers
Favicon
How would you optimize the performance of Docker containers, particularly in resource-constrained environments ?
Favicon
Docker in development: Episode 4
Favicon
Building a Local S3 Environment with MinIO: AWS SDK for Java V2 Migration Guide
Favicon
Node.js Meets PostgreSQL and MongoDB in Docker: Docker Diaries
Favicon
How to Use Docker in Your Data Science Projects: A Complete Guide
Favicon
Bringing Together Containers & SQL
Favicon
🚀 Are Your Docker Containers Secure? 🛡️ In this article, learn 10 actionable strategies to protect your Docker containers like a pro
Favicon
Running PostgreSQL, MongoDB, and NestJS concurrently with Docker Compose
Favicon
Creando un notebook con Jupyter y Kotlin

Featured ones:

Favicon
Open
abubakersiddique761
Favicon
Open
0x3d_site
Favicon
Open
0x2e_tech
Favicon
Open
0x4c-quest
Favicon
Open
gittech