document new health check and compose project variables

README.md

@@ -209,7 +209,7 @@ ansible-playbook --tags update site.yml
 
 **Update process:**
 1. Stops the application
-2. Pulls latest images for all services
+2. Pulls images according to `app_compose_pull` (defaults to `policy`; set to `always` to force fresh pulls)
 3. Recreates containers with new images
 4. Runs health checks (if enabled)
 
@@ -309,8 +309,9 @@ The file will be copied as-is to the application directory without Jinja2 proces
 | `app_compose_file` | - | Static compose file path |
 | `app_compose_content` | - | Inline compose content |
 | `app_compose_validate` | `true` | Validate compose syntax |
-| `app_compose_pull` | `policy` | Image pull strategy |
+| `app_compose_pull` | `policy` | Image pull strategy (also used by `update` — set to `always` to force pulls on update) |
 | `app_compose_recreate` | `auto` | Container recreate strategy |
+| `app_compose_project_name` | `{{ app_dir \| basename }}` | Compose project name; override when your compose file sets a non-default project name |
 
 ### Backup Configuration
 
@@ -335,6 +336,7 @@ The file will be copied as-is to the application directory without Jinja2 proces
 |----------|---------|-------------|
 | `app_health_check` | `true` | Enable health checks |
 | `app_health_check_method` | `docker` | Check method (`docker`/`http`) |
+| `app_container_name` | `{{ app_name }}` | Container name inspected by the `docker` health check; override when your compose service uses a different `container_name` |
 | `app_health_check_url` | - | HTTP endpoint for health check |
 | `app_health_check_retries` | `30` | Number of check retries |
 | `app_health_check_delay` | `10` | Delay between checks (seconds) |