ansible-nodejs-nginx-supervisor/tasks/main.yml

---
- name: configure nginx app with nodejs specific block.
  blockinfile:
    dest: /etc/nginx/sites-available/{{ nodejs_app_nginx_config }}
    insertafter: "# Include your setup to connect to the webapp setup here."
    marker: "# -- {mark} NodeJS App config for {{ nodejs_app_name }} --"
    block: |
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header Host $http_host;
        proxy_pass http://127.0.0.1:{{ nodejs_app_port }};
  sudo: yes
  notify: restart nginx