diff --git a/defaults/main.yml b/defaults/main.yml
index 94169b0..76c74bf 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -29,7 +29,7 @@ borgmatic_retention:
   weekly: 4
 
 borgmatic_name: "{{ inventory_hostname }}_{now}"
-borgmatic_compression: none
+borgmatic_compression: lz4
 borgmatic_passphrase: ""
 
 borgmatic_actions: {}
diff --git a/tasks/configuration.yml b/tasks/configuration.yml
index 503adee..efd5426 100644
--- a/tasks/configuration.yml
+++ b/tasks/configuration.yml
@@ -1,23 +1,36 @@
 ---
 # tasks file for borgmatic
 
-- name: Déployer la clef privée
-  ansible.builtin.copy:
-    content: "{{ borgmatic_keys.private }}"
-    dest: /etc/borgmatic/id_ed25519
-    owner: root
-    group: root
-    mode: u=rw,g=,o=
+- name: Créer la paire de clés
+  community.crypto.openssh_keypair:
+    path: /etc/borgmatic/id_ed25519 
+    type: ed25519
   become: true
 
-- name: Déployer la clef publique
-  ansible.builtin.copy:
-    content: "{{ borgmatic_keys.public }}"
-    dest: /etc/borgmatic/id_ed25519.pub
-    owner: root
-    group: root
-    mode: u=rw,g=r,o=r
+- name: Récupérer le contenu de la clé publique
+  ansible.builtin.slurp:
+    src: /etc/borgmatic/id_ed25519.pub
   become: true
+  register: key
+
+- name: Créer le dépôt
+  ansible.builtin.file:
+    path: "{{ borgmatic_server.repo_path }}/{{ inventory_hostname }}"
+    state: directory
+    user: "{{ borgmatic_server.user }}"
+    group: "{{ borgmatic_server.group }}"
+    mode: u=rwX,g=rX,o=
+  become: true
+  delegate_to: "{{ borgmatic_server.host }}"
+
+- name: Ajouter la clef publique
+  ansible.posix.authorized_key:
+    user: "{{ borgmatic_server.repo_path }}"
+    state: present
+    key: "{{ key['content'] | b64decode }}"
+    key_options: 'command="cd {{ borgmatic_server.repo_path }}/{{ inventory_hostname }};borg serve --restrict-to-path {{ borgmatic_server.repo_path }}/{{ inventory_hostname }}",restrict'
+  become: true
+  delegate_to: "{{ borgmatic_server.host }}"
 
 - name: Déployer la configuration de SSH
   ansible.builtin.blockinfile: