computer-playbook/roles/svc-db-postgres/tasks/main.yml

- name: Create Docker network for PostgreSQL
  docker_network:
    name: "{{ postgres_network_name }}"
    state: present
    ipam_config:
      - subnet: "{{ postgres_subnet }}"
  when: run_once_svc_db_postgres is not defined

- name: "include docker-compose role"
  include_role: 
    name: docker-compose
  when: run_once_svc_db_postgres is not defined

- name: Wait for Postgres inside the container
  shell: "docker exec {{ postgres_name }} pg_isready -U postgres"
  register: pg_ready
  until: pg_ready.rc == 0
  retries: 30
  delay: 5
  when:
    - run_once_svc_db_postgres is not defined

- name: install python-psycopg2
  pacman: 
    name: python-psycopg2
    state: present
  when: run_once_svc_db_postgres is not defined

- name: "Initialize database for '{{ database_name }}'"
  include_tasks: init.yml
  when: "{{ postgres_init }}"

- name: Run the docker_postgres tasks once
  set_fact:
    run_once_svc_db_postgres: true
  when: run_once_svc_db_postgres is not defined