add docker.sh to install docker on ubuntu

docker.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+apt autoremove -y
+apt update
+apt -y install software-properties-common
+
+# specified repositories or gedit /etc/apt/sources.list
+add-apt-repository "deb https://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted universe multiverse"
+apt update
+
+
+# docker: update image source
+apt -y install apt-transport-https ca-certificates curl software-properties-common
+curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
+apt-key fingerprint 0EBFCD88
+
+add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu  xenial  stable"
+apt update
+apt -y install docker-ce
+
+# docker from snap
+# snap install docker
+
+# docker-compose
+pip install -i http://pypi.douban.com/simple --trusted-host pypi.douban.com docker-compose
+alias dcmp=docker-compose