Refactor Joomla role to new docker.* schema

- Move image definition from images.joomla to docker.services.joomla
- Add container name, container_port variable, and healthcheck
- Introduce JOOMLA_IMAGE, JOOMLA_VERSION, JOOMLA_CONTAINER, JOOMLA_VOLUME in vars
- Use volume mapping via docker.volumes.data

See: https://chatgpt.com/share/68af55a9-6514-800f-b6f7-1dc86356936e

roles/web-app-joomla/config/main.yml

@@ -1,5 +1,3 @@
-images:
-  joomla:             "joomla:latest"
 features:
   matomo:             true
   css:                true
@@ -14,3 +12,9 @@ docker:
   services:
     database:
       enabled: true
+    joomla: 
+      image:    joomla
+      version:  latest
+      name:     joomla
+  volumes:
+    data:             "joomla_data"

roles/web-app-joomla/templates/docker-compose.yml.j2

@@ -1,15 +1,18 @@
 {% include 'roles/docker-compose/templates/base.yml.j2' %}
   application:
-    image: "{{ applications | get_app_conf(application_id, 'images.joomla', True) }}"
+    image: "{{ JOOMLA_IMAGE }}:{{ JOOMLA_VERSION }}"
+    container_name:  "{{ JOOMLA_CONTAINER }}"
 {% include 'roles/docker-container/templates/base.yml.j2' %}
     volumes:
       - data:/var/www/html
     ports:
-      - "127.0.0.1:{{ ports.localhost.http[application_id] }}:80"
+      - "127.0.0.1:{{ ports.localhost.http[application_id] }}:{{ container_port }}"
+{% include 'roles/docker-container/templates/healthcheck/curl.yml.j2' %}
 {% include 'roles/docker-container/templates/networks.yml.j2' %}
 {% include 'roles/docker-container/templates/depends_on/dmbs_excl.yml.j2' %}
 
 {% include 'roles/docker-compose/templates/volumes.yml.j2' %}
   data:
+    name: {{ JOOMLA_VOLUME }}
 
 {% include 'roles/docker-compose/templates/networks.yml.j2' %}

roles/web-app-joomla/vars/main.yml

@@ -1,2 +1,10 @@
+# General
 application_id:     "web-app-joomla"
-database_type:      "postgres"
+database_type:      "postgres"
+container_port:     80
+
+# Joomla
+JOOMLA_VERSION:    "{{ applications | get_app_conf(application_id, 'docker.services.joomla.version') }}"
+JOOMLA_IMAGE:      "{{ applications | get_app_conf(application_id, 'docker.services.joomla.image') }}"
+JOOMLA_CONTAINER:  "{{ applications | get_app_conf(application_id, 'docker.services.joomla.name') }}"
+JOOMLA_VOLUME:     "{{ applications | get_app_conf(application_id, 'docker.volumes.data') }}"