ansible-roles/roles/nginx/templates/nginx.conf.j2

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
error_log syslog:server=unix:/dev/log,nohostname;
pid /run/nginx.pid;

include /etc/nginx/ansible_modules.d/*.conf;

events {
  worker_connections 1024;
}

http {
  log_format combined_virtual
               '$server_name $remote_addr - $remote_user [$time_local] "$request" '
               '$status $body_bytes_sent "$http_referer" '
               '"$http_user_agent" scheme="$scheme"';

  log_format combined_virtual_backend
               '$server_name $http_x_forwarded_for - $remote_user [$time_local] "$request" '
               '$status $body_bytes_sent "$http_referer" '
               '"$http_user_agent" scheme="$scheme"';

{% if nginx_llng.stat.exists %}
  log_format combined_virtual_llng
               '$server_name $remote_addr - $lmremote_user [$time_local] "$request" '
               '$status $body_bytes_sent "$http_referer" '
               '"$http_user_agent" scheme="$scheme"';

  log_format combined_virtual_backend_llng
               '$server_name $http_x_forwarded_for - $lmremote_user [$time_local] "$request" '
               '$status $body_bytes_sent "$http_referer" '
               '"$http_user_agent" scheme="$scheme"';
{% else %}
  # LL::NG not installed, just make those log formats aliases of the non llng formats
  log_format combined_virtual_llng
               '$server_name $remote_addr - $remote_user [$time_local] "$request" '
               '$status $body_bytes_sent "$http_referer" '
               '"$http_user_agent" scheme="$scheme"';

  log_format combined_virtual_backend_llng
               '$server_name $http_x_forwarded_for - $remote_user [$time_local] "$request" '
               '$status $body_bytes_sent "$http_referer" '
               '"$http_user_agent" scheme="$scheme"';
{% endif %}

  access_log /var/log/nginx/access.log {{ nginx_log_format }};

  sendfile on;
  tcp_nopush on;
  tcp_nodelay on;
  keepalive_timeout 65;
  client_max_body_size 10m;

  server_tokens off;

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

  include /etc/nginx/ansible_conf.d/*.conf;

  map $scheme $hsts_header {
    https 'max-age=31536000';
  }

  server {
    listen 80 default_server;
    listen 443 default_server ssl http2;

    server_name _;
    root /usr/share/nginx/html;

    # Load location fragments in the default vhost
    include /etc/nginx/ansible_location.d/*.conf;

    add_header X-Frame-Options SAMEORIGIN;
    add_header X-Content-Type-Options nosniff;
    add_header X-XSS-Protection "1; mode=block";
    add_header Strict-Transport-Security $hsts_header;

    include /etc/nginx/ansible_conf.d/acme.inc;

    location / {
    }

    error_page 404 /404.html;
      location = /40x.html {
    }

    error_page 500 502 503 504 /50x.html;
      location = /50x.html {
    }

    location ~ \.ht {
      deny all;
    }
  }
}