### automatic
wget -qO- http://alpine.mbentley.net/get.sh | VERSION=18.06 sh


### manual
# get my public key
wget "http://alpine.mbentley.net/mbentley@mbentley.net-5865c989.rsa.pub" -O "/etc/apk/keys/mbentley@mbentley.net-5865c989.rsa.pub"
-or-
wget "https://raw.githubusercontent.com/mbentley/alpine-packages/master/repo/mbentley%40mbentley.net-5865c989.rsa.pub" -O "/etc/apk/keys/mbentley@mbentley.net-5865c989.rsa.pub"

# set permissions on my key
chmod 644 /etc/apk/keys/mbentley@mbentley.net-5865c989.rsa.pub

# add my repository
echo "@docker-18.06 http://alpine.mbentley.net/docker/v18.06" | tee -a /etc/apk/repositories

# update repository indexes
apk update


### installing packages
# install docker cs engine packages
apk add docker-engine-cs@docker-1.13

# install docker oss engine packages
apk add docker-ce@docker-18.06