add prometheus service

ansible/roles/prometheus/tasks/main.yml

@@ -0,0 +1,13 @@
+#- name: Create prometheus config
+#  docker_config:
+#    name: prometheus_config
+#    data: "{{ lookup('file', '{{ role_path }}/prometheus.yml') }}"
+#    use_ssh_client: true
+#    rolling_versions: true
+#  register: config
+
+- name: Deploy Docker stack
+  docker_stack:
+    name: prometheus
+    compose:
+      - "{{ lookup('template', '{{ role_path }}/docker-stack.yml.j2') | from_yaml }}"