first push with basic outline

roles/docker/tasks/main.yml

@@ -0,0 +1,26 @@
+---
+- name: Check if docker is already installed
+  ansible.builtin.command: docker --version
+  register: docker_check
+  changed_when: false
+  failed_when: false
+
+- name: Install docker via convenience script
+  ansible.builtin.shell: |
+    set -o pipefail
+    curl -fsSL https://get.docker.com | sh
+  args:
+    executable: /bin/bash
+  when: docker_check.rc != 0
+
+- name: Add deploy user to docker group
+  ansible.builtin.user:
+    name: "{{ deploy_user }}"
+    groups: docker
+    append: true
+
+- name: Ensure docker is running and enabled
+  ansible.builtin.service:
+    name: docker
+    state: started
+    enabled: true