main.yml

---
nginx:
  events_params:
    - worker_connections {% if nginx.max_clients is defined %}{{ nginx.max_clients }}{% else %}512{% endif %}
  group: www-data
  http_params:
    - sendfile on
    - tcp_nopush on
    - tcp_nodelay on
    - keepalive_timeout 65
    - types_hash_max_size 2048
    - access_log /var/log/nginx/access.log
    - error_log /var/log/nginx/error.log
  user: www-data
  worker_processes: "{% if ansible_processor_vcpus is defined %}{{ ansible_processor_vcpus }}{% else %}auto{% endif %}"

nginx.conf.j2

#{{ ansible_managed }}
user {{ nginx.user }} {{ nginx.group }};
worker_processes {{ nginx.worker_processes }};
pid /run/nginx.pid

events {
{% for events_param in nginx.events_params %}
  {{ events_param }};
{% endfor %}
}

http {
  include /etc/nginx/mime.types;
  default_type application/octet-stream;

{% for http_param in nginx.http_params %}
  {{ http_param }};
{% endfor %}

  include /etc/nginx/conf.d/*.conf;
	include /etc/nginx/sites-enabled/*;
}