install_packages.yml

---
- name: Add nginx ppa
  apt_repository:
    repo: 'ppa:nginx/stable'
    state: present
    update_cache: yes

- name: Install nginx package
  apt:
    name: 'nginx-extras'
    state: present

- name: Add `www-data` user to `coopdevs` group
  user:
    name: www-data
    groups: coopdevs
    group: www-data
    shell: /bin/bash
    append: yes