Add Alpine Linux scripts

alpine/apps/docker/docker.sh

@@ -0,0 +1,17 @@
+#!/bin/dash
+
+apk del iptables ip6tables
+
+swapoff -a
+sed -i "/swap/d" /etc/fstab
+
+sed -i "s/# //" /etc/apk/repositories
+
+apk add docker docker-compose
+
+# sysctl -w net/netfilter/nf_conntrack_max=131072
+
+rc-update add docker boot
+service docker start
+
+sleep 3