monica: add docker compose-based config

roles/monica/tasks/main.yml

@@ -0,0 +1,45 @@
+---
+- name: Ensure data directory is present
+  ansible.builtin.file:
+    path: '/mnt/data1/monica'
+    state: directory
+    mode: '0755'
+    owner: 'root'
+    group: 'root'
+
+- name: Ensure data subvolumes are present
+  community.general.btrfs_subvolume:
+    name: '/monica/{{ item }}'
+  with_items:
+    - 'monica'
+    - 'mariadb'
+
+# Monica runs as www-data which is 33 in the container
+- name: Ensure monica directory has correct permissions
+  file:
+    path: '/mnt/data1/monica/monica'
+    state: directory
+    mode: '0755'
+    owner: 33
+    group: 33
+
+- name: Ensure configuration directory is present
+  file:
+    path: '/etc/monica'
+    state: directory
+    mode: '0755'
+
+- name: Ensure compose file is present
+  template:
+    src: 'compose.yml.j2'
+    dest: '/etc/monica/compose.yml'
+    mode: '0644'
+    owner: 'root'
+    group: 'root'
+  register: res
+
+- name: Ensure stack is deployed
+  ansible.builtin.shell:
+    chdir: '/etc/monica'
+    cmd: 'docker compose up -d --remove-orphans'
+  when: 'res.changed'