Docker

Official documents: docker docs

install using the repository

ref: Install Docker Engine on Ubuntu

uninstall old versions

sudo apt remove docker docker-engine docker.io containerd runc

set up the repository

• Update apt package and install packages

$ sudo apt-get update

$ sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    gnupg-agent \
    software-properties-common

• Add Docker's offical GPG key and verify

$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

$ sudo apt-key fingerprint 0EBFCD88
pub   rsa4096 2017-02-22 [SCEA]
      9DC8 5822 9FC7 DD38 854A  E2D8 8D81 803C 0EBF CD88
uid           [ unknown] Docker Release (CE deb) <[e-mail]>
sub   rsa4096 2017-02-22 [S]

• Set up the stable repository

$ sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"

install docker engine

sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io

verify docker

$ which docker
/usr/bin/docker

Demo

RSSHub

RSSHub docs

• download RSSHub image

sudo docker pull diygod/rsshub

• run RSSHub

sudo docker run -d --name rsshub -p 1200:1200 diygod/rsshub

• stop RSSHub

sudo docker stop rsshub

• remove RSSHub

sudo docker stop rsshub
sudo docker rm rsshub