pi-ansible/roles/docker_services/tasks/services/pihole.yml

# vim: ft=yaml.ansible
---
- name: Create Pi-hole volume base directory
  ansible.builtin.file:
    name: "{{ services.pihole.volume }}"
    owner: root
    mode: u=rwx,g=rx,o=rx
    state: directory

- name: Create Pi-hole volume directory pihole
  ansible.builtin.file:
    name: "{{ services.pihole.volume }}/pihole"
    owner: '999'
    group: '1000'
    mode: u=rwx,g=rx,o=rx
    state: directory

- name: Create other Pi-hole volume directories
  ansible.builtin.file:
    name: "{{ services.pihole.volume }}/{{ dir }}"
    owner: root
    mode: u=rwx,g=rx,o=rx
    state: directory
  loop:
    - dnsmasq.d
    - unbound
  loop_control:
    loop_var: dir

- name: Copy forward-records.conf for Unbound
  ansible.builtin.copy:
    src: pihole/forward-records.conf
    dest: "{{ services.pihole.volume }}/unbound/forward-records.conf"
    owner: root
    mode: u=rw,g=r,o=r

- name: Deploy Pi-hole with Docker Compose
  community.docker.docker_compose:
    project_name: pihole
    state: "{{ 'absent' if stop is defined and stop else 'present' }}"
    restarted: "{{ stop is undefined or not stop }}"
    pull: true
    definition:
      version: '3.8'

      services:
        app:
          image: pihole/pihole:{{ services.pihole.version }}
          restart: always
          environment:
            DNSMASQ_LISTENING: all
            PIHOLE_DNS_: unbound
            TZ: "{{ timezone }}"
          volumes:
            - "{{ services.pihole.volume }}/pihole:/etc/pihole:rw"
            - "{{ services.pihole.volume }}/dnsmasq.d:/etc/dnsmasq.d:rw"
          ports:
            - 53:53/tcp
            - 53:53/udp
            - 81:80/tcp
          cap_add:
            - net_admin

        unbound:
          image: mvance/unbound-rpi:{{ services.pihole.unbound_version }}
          restart: always
          volumes:
            - "{{ services.pihole.volume }}/unbound/forward-records.conf:/opt/unbound/etc/unbound/forward-records.conf:ro"