add nextcloud stack using NFS and remote postgres db

ansible/roles/database/handlers/main.yml

@@ -0,0 +1,4 @@
+- name: restart postgres
+  systemd:
+    name: postgresql
+    state: restarted

ansible/roles/database/tasks/main.yml

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+- name: Create database user
+  postgresql_user:
+    name: swarm
+    password: "{{ database_password }}"
+  become: true
+  become_user: postgres
+
+- name: Create database
+  postgresql_db:
+    name: "{{ database_name }}"
+    owner: swarm
+  become: true
+  become_user: postgres
+
+- name: Grant access to database
+  postgresql_privs:
+    type: database
+    database: "{{ database_name }}"
+    role: swarm
+    grant_option: no
+    privs: all
+  become: true
+  become_user: postgres
+  notify: restart postgres
+
+- name: Allow remote access to database
+  postgresql_pg_hba:
+    dest: /etc/postgresql/15/main/pg_hba.conf
+    contype: host
+    databases: "{{ database_name }}"
+    users: swarm
+    address: all
+    create: true
+  become: true
+  become_user: postgres
+  notify: restart postgres