Update docker install/aliases

docker/aliases.zsh

@@ -1,4 +1,12 @@
-alias dk='docker'
+case "$OSTYPE" in
+    darwin*)
         alias dkm='docker-machine'
-alias dkc='docker-compose'
         alias dki='eval $(docker-machine env)'
+        ;;
+    linux*)
+        alias docker='sudo docker'
+        ;;
+esac
+
+alias dk='docker'
+alias dkc='docker-compose'

docker/install

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+case "$OSTYPE" in
+    darwin*)
+        brew cask install virtualbox
+        brew install docker docker-compose docker-machine
+        ;;
+    linux*)
+        if [[ -f /etc/arch-release ]]
+        then
+            sudo pacman --noconfirm -S docker docker-compose
+            sudo systemctl enable docker.service
+            sudo systemctl start docker.service
+        fi
+esac