Use DEB822 source format

tasks/docker.yml

@@ -2,6 +2,7 @@
 - name: "Prepare apt keyring"
   become: true
   ansible.builtin.command: install -m 0755 -d /etc/apt/keyrings
+
 - name: "Create docker directory"
   become: true
   ansible.builtin.file:
@@ -24,7 +25,8 @@
   become: true
   ansible.builtin.template:
     src: "templates/docker.j2"
-    dest: "/etc/apt/sources.list.d/docker.list"
+    dest: "/etc/apt/sources.list.d/docker.sources"
+    mode: "0664"
     owner: root
 
 - name: "Install docker"

templates/docker.j2

@@ -1,3 +1,9 @@
 # {{ ansible_managed }}
 
-deb [arch=amd64 signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/debian bookworm stable
+Enabled: yes
+Types: deb
+URIs: https://download.docker.com/linux/debian
+Suites: trixie
+Components: stable
+Architectures: amd64
+Signed-By: /etc/apt/keyrings/docker.gpg