+= docker state

salt/docker/init.sls

+docker_dependencies:
+  pkg.installed:
+    - names:
+      - apt-transport-https
+      - ca-certificates
+      - curl
+      - software-properties-common
+
+docker_install_key:
+  cmd.run:
+    - name: "curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -"
+    - unless: "apt-key list | grep 0EBFCD88"
+    - require:
+      - pkg: docker_dependencies
+
+docker_bootstrap:
+  cmd.run:
+    - name: 'add-apt-repository "deb [arch=armhf] https://download.docker.com/linux/ubuntu $(lsb_release -cs)   stable"'
+    - require:
+      - cmd: docker_install_key
+
+docker_ce:
+  pkg.installed:
+    - name: docker-ce
+    - require:
+      - cmd: docker_bootstrap