Huge role refactoring/cleanup. Other commits will propably follow. Because some bugs will exist. Still important for longrun and also for auto docs/help/slideshow generation

roles/service-rdbms-central/tasks/main.yml

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+- name: "set database_application_id (Needed due to lazzy loading issue)"
+  set_fact:
+    database_application_id: "{{ application_id }}"
+
+- name: "Load database variables"
+  include_vars: "{{ item }}"
+  loop:
+    - "{{ docker_var_file }}"   # Important to load docker variables first so that database can use them
+    - "{{ database_var_file }}" # Important to load them before docker role so that backup can use them
+
+# Docker Routines
+- name: "Include docker-compose role"
+  include_role: 
+    name: docker-compose
+
+# The following env file will just be used from the dedicated mariadb container
+# and not the {{applications.mariadb.hostname }}-database
+- name: "Create {{database_env}}"
+  template: 
+    src: "env/{{database_type}}.env.j2"
+    dest: "{{database_env}}"
+  notify: docker compose up
+  when: not applications | is_feature_enabled('central_database',application_id)
+
+- name: "Create central database"
+  include_role:
+    name: "web-app-{{database_type}}"
+  when: applications | is_feature_enabled('central_database',application_id)
+
+- name: "Add database to backup"
+  include_tasks: "{{ playbook_dir }}/roles/backup-docker-to-local/tasks/seed-database-to-backup.yml"