feat(ess-pro/compose): deploy Element Server Suite Pro via Compose

initial commit of the converted role from helm charts for qubernetis to compose ansible role

roles/ess_pro_compose/tasks/prereq.yml

@@ -0,0 +1,45 @@
+# SPDX-License-Identifier: MIT-0
+---
+- name: Ensure prerequisite packages on the control target
+  ansible.builtin.apt:
+    name:
+      - ca-certificates
+      - python3-docker
+      - python3-cryptography
+    state: present
+    update_cache: true
+
+- name: Verify docker compose plugin is available
+  ansible.builtin.command: docker compose version
+  register: ess_compose_check
+  changed_when: false
+  failed_when: ess_compose_check.rc != 0
+
+- name: Create project directory tree
+  ansible.builtin.file:
+    path: "{{ item }}"
+    state: directory
+    mode: "0750"
+    owner: root
+    group: root
+  loop: "{{ _ess_dirs }}"
+
+- name: Tighten secrets directory permissions
+  ansible.builtin.file:
+    path: "{{ ess_compose_secrets_dir }}"
+    state: directory
+    mode: "0700"
+    owner: root
+    group: root
+
+- name: Ensure the external Traefik proxy network exists
+  community.docker.docker_network:
+    name: "{{ ess_compose_traefik_network }}"
+    state: present
+
+- name: Authenticate against the Element container registry
+  community.docker.docker_login:
+    registry_url: "{{ ess_registry_url }}"
+    username: "{{ ess_registry_username }}"
+    password: "{{ ess_registry_token }}"
+  no_log: true