Refactor portainer.yml and check_stack_nextcloud.yml: restore ansible_password, enhance sudo settings, and improve command formatting for clarity.

host_vars/portainer.yml

@@ -1,6 +1,14 @@
 ansible_user: howard
-ansible_password: "x"
-
+ansible_password: "Papadopolus0"     # TIP: Put this in Ansible Vault.
 ansible_connection: ssh
 ansible_port: 22
-ansible_ssh_common_args: "-o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -J root@192.168.69.2"
+ansible_ssh_common_args: >-
+  -o StrictHostKeyChecking=no
+  -o UserKnownHostsFile=/dev/null
+  -J root@192.168.69.2
+
+# If howard is NOT in the 'docker' group, we need sudo:
+ansible_become: true
+ansible_become_method: sudo
+# If sudo asks for a password, also set:
+# ansible_become_password: "*******"   # ideally via Vault