docker: enable on-demand rather than aggressively

docker/aliases.zsh

@@ -5,6 +5,7 @@ case "$OSTYPE" in
         ;;
     linux*)
         alias docker='sudo docker'
+        alias dki='sudo systemctl start docker.service'
         ;;
 esac
 

docker/install

@@ -8,7 +8,5 @@ case $OSTYPE in
     linux*)
         if [[ -f /etc/arch-release ]]; then
             sudo pacman --needed --noconfirm -S docker docker-compose
-            sudo systemctl enable docker.service
-            sudo systemctl start docker.service
         fi
 esac