Solved wrong namings

roles/cmp-rdbms-orchestrator/tasks/main.yml

@@ -1,5 +1,5 @@
 # The following env file will just be used from the dedicated mariadb container
-# and not the {{applications.mariadb.hostname }}-database
+# and not the {{applications['rdbms-mariadb'].hostname }}-database
 - name: "Create {{database_env}}"
   template: 
     src: "env/{{database_type}}.env.j2"

roles/cmp-rdbms-orchestrator/templates/services/postgres.yml.j2

@@ -1,7 +1,7 @@
 # This template needs to be included in docker-compose.yml, which depend on a postgres database
 {% if not applications | is_feature_enabled('central_database',application_id) %}  
   {{ database_host }}:
-    image: postgres:{{applications.postgres.version}}-alpine
+    image: postgres:{{applications['rdbms-postgres'].version}}-alpine
     container_name: {{application_id}}-database
     env_file:
       - {{database_env}}

roles/cmp-rdbms-orchestrator/vars/database.yml

@@ -3,7 +3,7 @@ database_host:      "{{ 'central-' + database_type if applications | is_feature_
 database_name:      "{{ applications[database_application_id].database.name | default( database_application_id ) }}"      # The overwritte configuration is needed by bigbluebutton
 database_username:  "{{ applications[database_application_id].database.username | default( database_application_id )}}"   # The overwritte configuration is needed by bigbluebutton
 database_password:  "{{ applications[database_application_id].credentials.database_password }}"
-database_port:      "{{ 3306 if database_type == 'mariadb' else applications.postgres.port }}"
+database_port:      "{{ 3306 if database_type == 'mariadb' else applications['rdbms-postgres'].port }}"
 database_env:       "{{docker_compose.directories.env}}{{database_type}}.env"
 database_url_jdbc:  "jdbc:{{ database_type if database_type == 'mariadb' else 'postgresql' }}://{{ database_host }}:{{ database_port }}/{{ database_name }}"
 database_url_full:  "{{database_type}}://{{database_username}}:{{database_password}}@{{database_host}}:{{database_port}}/{{ database_name }}"