feat: add prometheus manifest

roles/docker/tasks/main.yml

@@ -0,0 +1,42 @@
+---
+- name: Install initial dependencies
+  apt:
+    name:
+      - apt-transport-https
+      - ca-certificates
+      - curl
+      - gnupg
+      - lsb-release
+    state: present
+    update_cache: yes
+
+- name: Add Docker official GPG key
+  apt_key:
+    url: https://download.docker.com/linux/debian/gpg
+    state: present
+
+- name: Set up Docker repository for ARM architecture
+  apt_repository:
+    repo: "deb [arch={{ 'arm64' if ansible_architecture == 'aarch64' else 'armhf' }}] https://download.docker.com/linux/debian {{ ansible_distribution_release }} stable"
+    state: present
+
+- name: Install Docker Engine and CLI components
+  apt:
+    name:
+      - docker-ce
+      - docker-ce-cli
+      - containerd.io
+    state: present
+    update_cache: yes
+
+- name: Ensure Docker service is started and enabled
+  systemd:
+    name: docker
+    state: started
+    enabled: yes
+
+- name: Add current user to docker group
+  user:
+    name: "{{ ansible_user }}"
+    groups: docker
+    append: yes