Added draft for central postgres and mariadb. variables and networks still need to be adapted

roles/docker-gitlab/tasks/main.yml

@@ -2,6 +2,11 @@
 - name: "include tasks nginx-docker-proxy-domain.yml"
   include_tasks: nginx-docker-proxy-domain.yml
 
+- name: create database in central Postgres
+  include_role:
+    name: docker-postgres
+  when: enable_central_database | bool
+
 - name: "create {{docker_compose_instance_directory}}"
   file:
     path: "{{docker_compose_instance_directory}}"

roles/docker-gitlab/templates/docker-compose.yml.j2

@@ -33,17 +33,23 @@ services:
       - 'data:/var/opt/gitlab'
     shm_size: '256m'
     depends_on:
+{% if not ( enable_central_database | lower | bool )  %}
       database:
         condition: service_healthy
+{% endif %}
       redis:
 
-{% include 'templates/docker-postgres-service.yml.j2' %}
-
 {% include 'templates/docker-redis-service.yml.j2' %}
 
+{% if not ( enable_central_database | lower | bool )  %}
+{% include 'templates/docker-postgres-service.yml.j2' %}
+{% endif %}
+
 volumes:
-  database:
+  redis:
   config:
   logs:
   data:
-  redis:
+{% if not ( enable_central_database | lower | bool )  %}
+  database:
+{% endif %}