From here

1. Install and test

   sudo apt remove docker docker.io containerd runc
   sudo apt remove docker*
   
   sudo apt install -y ca-certificates curl
   sudo install -m 0755 -d /etc/apt/keyrings
   sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
   sudo chmod a+r /etc/apt/keyrings/docker.asc
   
   echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
   
   sudo apt update
   sudo apt install -y docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
   
   sudo service docker start
   sudo docker run hello-world
   

2. Add current user to docker group

   sudo usermod -a -G docker $USER
   

3. Login:

   docker login -u <username>
   

4. Restart

Usage

docker pull alpine
docker run -it alpine /bin/sh
docker run -v /home/<username>/<path>/:/test -it alpine sh

docker pull ubuntu
docker run -it ubuntu bash

docker container ls -a docker container rm

docker image ls -a docker image rm docker image rm -f

docker login docker commit <user/repo> docker push <user/repo> docker history –no-trunc <user/repo>

Make a fresh docker image

mkdir docker cd docker nano Dockerfile

FROM ubuntu:22.04
 
RUN apt update && apt install -y nginx 

LABEL maintainer="danb0b"
LABEL version="1.0"
LABEL description="A simple image running Nginx on Debain 10"
 
EXPOSE 80/tcp
 
CMD ["nginx","-g","daemon off;"]

docker build -t myapp:v1 . docker run -p 80:80 myapp:v1