config: keyfile is now an array to be easier to handle in automations

Author: yfoelling

tasks/configure.yml

@@ -32,7 +32,7 @@
 - name: Create keyFile
   ansible.builtin.copy:
     dest: "{{ mongodb_security_keyfile }}"
-    content: "{{ mongodb_keyfile_content }}"
+    content: "{{ mongodb_keyfile_content | join('\n') }}"
     owner: "{{ mongodb_user }}"
     group: root
     mode: 0600