diff --git a/setup_auth.yaml b/setup_auth.yaml
new file mode 100644
index 0000000..8f858a6
--- /dev/null
+++ b/setup_auth.yaml
@@ -0,0 +1,12 @@
+- hosts: all
+  tasks:
+    - name: Add public key to authorized_keys
+      authorized_key:
+        user: root
+        key: ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIArcvGwvT6CbzyY513rhD6zTPXxOvHEsekE5ElGc3PWv ansible@ansible.william.zone
+        state: present
+      become: true
+
+    - name: Remove root password
+      shell: passwd -d root
+      become: true