General

Image Commands

Get images

docker pull ubuntu

View pulled images

docker image ls -a

Docker Commands

Run Container

detached

$ docker container run -d mysql

detached, custom name

$ docker container run -d --name mysql mysql

detached, port mirror

$ docker container run -d -p 8080:80 httpd

interactive

$ docker container run -it --name ubuntu ubuntu bash

View Container

$ docker container ls -a

Stop container

$ docker container stop mysql

Start container

Interactive

$ docker container start -ai ubuntu

Execute command

$ docker container exec -it mysql bash

Admin

Performance containers

$ docker container stats mysql

Active processes

$ docker container top mysql

Networking

run container

$ docker container run -p 80:80 --name webhost -d nginx

view ports

$ docker container port webhost

Virtual Networks

$ docker network connect
$ docker network disconnect

Docker Networks: CLI Management

$ docker network ls
$ docker network inspect
$ docker network create --driver
$ docker network connect
$ docker network disconnect

$ docker network create my_app_net
$ docker container run -d --name new_nginx --network my_app_net nginx
$ docker network inspect my_app_net

Images

Build image

$ vim Dockerfile

from node:6-alpine
expose 3000
run apk add --update tini
run mkdir -p /usr/src/app
workdir /usr/src/app
copy package.json package.json
run npm install && npm cache clean
copy . .
cmd [tini","--","node","./bin/www"]

$ docker build -t testnode .
$ docker container run --vm -p 80:3000 testnode
$ docker tag testnode username/testing-node
$ docker push username/testing-node

Build Image from Container

$ docker commit llm alpaca-llm:latest

Get Bash in Docker

$ docker exec -it <container name> /bin/bash

Run GUI Applications

Linux

$ xhost +
$ docker run -it --name gimp -e DISPLAY=$DISPLAY -v /tmp/.X11-unix:/tmp/.X11-unix:ro gimp:0.1

Run Docker in Windows 11 WSL 2 without Docker Desktop

https://dev.to/felipecrs/simply-run-docker-on-wsl2-3o8

Install Docker WSL 2: Ubuntu

$ # Ensures not older packages are installed
$ sudo apt-get remove docker docker-engine docker.io containerd runc

# Ensure pre-requisites are installed
$ sudo apt-get update
$ sudo apt-get install \
    ca-certificates \
    curl \
    gnupg \
    lsb-release

# Adds docker apt key
$ sudo mkdir -p /etc/apt/keyrings
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg

# Adds docker apt repository
$ echo \
"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null

# Refreshes apt repos
$ sudo apt-get update

# Installs Docker CE
$ sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin

# Ensures docker group exists
$ sudo groupadd docker

# Ensures you are part of it
$ sudo usermod -aG docker $USER

# Now, close your shell and open another for taking the group changes into account

$ touch /etc/wsl.conf

[boot]
systemd=true

reboot

Install VSCode

https://securecloud.blog/2021/12/07/wsl2-use-docker-with-vscode-without-docker-desktop/

VSCode: Install 'Remote - WSL' Extension
Remote - Explorer: WSL Targets > Ubuntu > Connect to WSL
Ubuntu Remote: Install 'Docker' Extension