Basic configuration with docker

Signed-off-by: Yohann D'ANELLO <yohann.danello@gmail.com>

roles/docker/tasks/main.yml

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+---
+- name: Install docker
+  apt:
+    update_cache: true
+    name:
+      - docker
+      - docker.io
+      - docker-compose
+    state: present
+  register: apt_result
+  retries: 3
+  until: apt_result is succeeded
+
+- name: Indicate role in motd
+  template:
+    src: update-motd.d/05-service.j2
+    dest: /etc/update-motd.d/05-docker
+    mode: 0755

roles/docker/templates/update-motd.d/05-service.j2

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+#!/bin/sh
+# {{ ansible_managed }}
+echo "> Les recettes Docker-compose se trouvent dans /var/local/ansible-docker"