Add docker install

nomad/setup-cluster.yml

@@ -169,6 +169,16 @@
         state: mounted
         fstype: nfs4
 
+- name: Install Docker
+  hosts: nomad_instances
+  become: true
+  vars:
+    deb_arch: "{% if ansible_architecture == 'x86_64' %}amd64{% elif ansible_architecture == 'armv7l' %}armhf{% endif %}"
+    docker_apt_arch: "{{ deb_arch }}"
+    docker_compose_arch: "{{ (ansible_architecture == 'armv7l') | ternary('armv7', ansible_architecture) }}"
+  roles:
+    - geerlingguy.docker
+
 - name: Build Nomad cluster
   hosts: nomad_instances
   any_errors_fatal: true