diff --git a/host_vars/dell.yml b/host_vars/dell.yml
index 080ec3b..b176464 100644
--- a/host_vars/dell.yml
+++ b/host_vars/dell.yml
@@ -13,14 +13,20 @@ pihole_volumes:
   dell_app: {}
   dell_dns: {}
 
+
+mariadb_network: mariadb_net
+
 portainer_roles:
+   # mariadb network
+  - role: portainer_mariadb
+  - role: portainer_bookstack
+  # individual networks
   - role: portainer_minio
   - role: portainer_glances
   - role: portainer_dashdot
   - role: portainer_dashy
   - role: portainer_diun
   - role: portainer_vaultwarden
-  - role: portainer_bookstack
   - role: portainer_vikunja
   - role: portainer_linkding
   - role: portainer_gotify
diff --git a/roles/portainer_bookstack/defaults/main.yml b/roles/portainer_bookstack/defaults/main.yml
index fe0bc8b..ece70e6 100644
--- a/roles/portainer_bookstack/defaults/main.yml
+++ b/roles/portainer_bookstack/defaults/main.yml
@@ -4,7 +4,7 @@ bookstack_image: linuxserver/bookstack
 bookstack_tag: 23.06.1
 bookstack_puid: 1000
 bookstack_pgid: 1000
-bookstack_db_host: qnap
+bookstack_db_host: mariadb # this works only if bookstack is on the mariadb_network
 bookstack_database: bookstackapp
 bookstack_db_user: bookstack
 bookstack_app_url: https://bookstack.cianhatton.ie
diff --git a/roles/portainer_bookstack/tasks/main.yml b/roles/portainer_bookstack/tasks/main.yml
index 1ec8185..e9815bd 100644
--- a/roles/portainer_bookstack/tasks/main.yml
+++ b/roles/portainer_bookstack/tasks/main.yml
@@ -1,4 +1,8 @@
 ---
+- name: Bookstack | Create docker network.
+  docker_network:
+    name: '{{ mariadb_network }}'
+
 - name: "Bookstack | Restore any missing volumes from S3"
   ansible.builtin.include_role:
     name: chatton.docker_backup.docker_s3_volume_restore
@@ -36,3 +40,8 @@
           restart: "{{ restart_policy }}"
       volumes:
         config: {}
+
+      networks:
+        default:
+          name: "{{ mariadb_network }}"
+          external: true
diff --git a/roles/portainer_mariadb/defaults/main.yml b/roles/portainer_mariadb/defaults/main.yml
new file mode 100644
index 0000000..273cffe
--- /dev/null
+++ b/roles/portainer_mariadb/defaults/main.yml
@@ -0,0 +1,13 @@
+---
+mariadb_portainer_stack_name: mariadb
+mariadb_state: present
+mariadb_image: mariadb
+mariadb_tag: 10.8.3
+mariadb_container_name: mariadb
+mariadb_expose_port: 3306
+mariadb_network: mariadb_net
+
+adminer_container_name: adminer
+adminer_image: adminer
+adminer_tag: latest
+adminer_expose_port: 3307
diff --git a/roles/portainer_mariadb/tasks/main.yml b/roles/portainer_mariadb/tasks/main.yml
new file mode 100644
index 0000000..9be021f
--- /dev/null
+++ b/roles/portainer_mariadb/tasks/main.yml
@@ -0,0 +1,55 @@
+---
+- name: Mariadb | Create docker network.
+  docker_network:
+    name: '{{ mariadb_network }}'
+
+- name: "Mariadb | Restore any missing volumes from S3"
+  ansible.builtin.include_role:
+    name: chatton.docker_backup.docker_s3_volume_restore
+  vars:
+    docker_backup_s3_volume: "{{ item }}"
+  with_items:
+    - name: "{{ mariadb_portainer_stack_name }}_data"
+    - name: "{{ mariadb_portainer_stack_name }}_config"
+
+- name: "Mariadb | Update Portainer."
+  chatton.portainer.portainer_stack:
+    username: '{{ portainer_user }}'
+    password: '{{ portainer.password }}'
+    base_url: '{{ portainer_base_url }}'
+    stack_name: '{{ mariadb_portainer_stack_name }}'
+    endpoint_id: '{{ portainer_endpoint }}'
+    state: "{{ mariadb_state }}"
+    definition:
+      version: '3.1'
+      services:
+        mariadb:
+          labels: "{{ backup_labels }}"
+          container_name: "{{ mariadb_container_name }}"
+          image: "{{ mariadb_image }}:{{ mariadb_tag }}"
+          hostname: mariadb
+          restart: "{{ restart_policy }}"
+          ports:
+            - "{{ mariadb_expose_port }}:3306"
+          volumes:
+            - data:/var/lib/mysql
+            - config:/etc/mysql/conf.d
+          environment:
+            - MYSQL_ROOT_PASSWORD={{ mariadb.mysql_root_password }}
+
+        adminer:
+          restart: "{{ restart_policy }}"
+          image: "{{ adminer_image }}:{{ adminer_tag }}"
+          environment:
+            ADMINER_DEFAULT_SERVER: mariadb
+            ADMINER_DESIGN: galkaev
+          ports:
+            - "{{ adminer_expose_port }}:8080"
+      volumes:
+        data:
+        config:
+
+      networks:
+        default:
+          name: "{{ mariadb_network }}"
+          external: true