- hosts: hash
  tasks:
    - become: yes
      name: mkdir /etc/docker-service/prometheus
      file:
        path: /etc/docker-service/prometheus
        state: directory

    - become: yes
      name: cp /etc/docker-service/prometheus/prometheus.yml
      register: config
      copy:
        src: prometheus.yml
        dest: /etc/docker-service/prometheus/prometheus.yml

    - shell: docker kill --signal HUP prometheus
      when: config.changed