feat(ansible): add Jellyfin service and improve deployment

- Add Jellyfin backend to HAProxy configuration on titania.incus
- Simplify deployment by using community.docker.docker_compose_v2 module
- Consolidate handlers and remove redundant Docker commands
- Update Jellyfin systemd service from oneshot to simple type
- Remove PUID/PGID environment variables from docker-compose template

ansible/jellyfin/deploy.yml

@@ -46,11 +46,6 @@
       - "{{ jellyfin_config_dir }}"
       - "{{ jellyfin_cache_dir }}"
 
-  - name: Check if Docker is installed
-    ansible.builtin.stat:
-      path: /var/run/docker.sock
-    register: docker_socket
-
   - name: Deploy Docker Compose configuration
     ansible.builtin.template:
       src: docker-compose.yml.j2
@@ -59,9 +54,7 @@
       group: "{{ jellyfin_group }}"
       mode: '0644'
     notify:
-      - Stop Jellyfin
-      - Pull Jellyfin image
-      - Start Jellyfin
+      - Restart Jellyfin
 
   - name: Create systemd service for Docker Compose
     ansible.builtin.template:
@@ -71,37 +64,23 @@
     notify:
       - Reload systemd
       - Enable Jellyfin
-      - Start Jellyfin
 
   handlers:
   - name: Reload systemd
     ansible.builtin.systemd:
       daemon_reload: true
 
-  - name: Stop Jellyfin
-    ansible.builtin.command:
-      cmd: "docker compose down"
-      chdir: "{{ jellyfin_directory }}"
-      become_user: "{{ jellyfin_user }}"
-      become: true
-
-  - name: Pull Jellyfin image
-    ansible.builtin.command:
-      cmd: "docker compose pull"
-      chdir: "{{ jellyfin_directory }}"
-      become_user: "{{ jellyfin_user }}"
-      become: true
-
-  - name: Start Jellyfin
-    ansible.builtin.command:
-      cmd: "docker compose up -d"
-      chdir: "{{ jellyfin_directory }}"
-      become_user: "{{ jellyfin_user }}"
-      become: true
+  - name: Restart Jellyfin
+    community.docker.docker_compose_v2:
+      project_src: "{{ jellyfin_directory }}"
+      pull: always
+      state: present
+    become: true
+    become_user: "{{ jellyfin_user }}"
 
   - name: Enable Jellyfin
     ansible.builtin.systemd:
       name: jellyfin
       enabled: true
       state: started
-      daemon_reload: true
+      daemon_reload: true