Docker 的架構
Docker 倉庫的概念
Docker鏡像加載原理
Docker 的安裝
首先保證ubuntu服務器能夠訪問到Docker 倉庫地址： https://download.docker.com/linux/ubuntu
....@ubuntu:~$ ping download.docker.com
PING d2h67oheeuigaw.cloudfront.net (54.192.151.75) 56(84) bytes of data.
64 bytes from server-54-192-151-75.sin2.r.cloudfront.net (54.192.151.75): icmp_seq=1 ttl=240 time=83.6 ms
64 bytes from server-54-192-151-75.sin2.r.cloudfront.net (54.192.151.75): icmp_seq=2 ttl=240 time=81.9 ms
更新apt
....@ubuntu: sudo apt update
使用倉庫（repository）安裝
....@ubuntu: sudo apt install apt-transport-https ca-certificates curl software-properties-common
在/etc/apt/sources.list.d/docker.list文件中添加以下內容
....@ubuntu: sudo vim /etc/apt/sources.list.d/docker.list
~ deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable
添加Docker官方的GPG祕鑰
....@ubuntu: curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
安裝
....@ubuntu: sudo apt install docker-ce
驗證Docker
....@ubuntu: systemctl status docker
