{% if item.value.upstreams is defined %}
{% for upstream in item.value.upstreams %}
upstream {{ item.value.upstreams[upstream].name }} {
    {{ item.value.upstreams[upstream].lb_method }};
    zone {{ item.value.upstreams[upstream].zone_name }} {{ item.value.upstreams[upstream].zone_size }};
{% for server in item.value.upstreams[upstream].servers %}
    server {{ item.value.upstreams[upstream].servers[server].address }}:{{ item.value.upstreams[upstream].servers[server].port }} weight={{ item.value.upstreams[upstream].servers[server].weight|default("1") }};
{% endfor %}
{% if item.value.upstreams[upstream].sticky_cookie %}
    sticky cookie srv_id expires=1h  path=/;
{% endif %}
}
{% endfor %}
{% endif %}

server {
{% if item.value.ssl is defined %}
    listen 443 ssl;
    ssl_certificate /etc/ssl/certs/{{ item.value.ssl.cert }};
    ssl_certificate_key /etc/ssl/private/{{ item.value.ssl.key }};
{% else %}
    listen {{ item.value.port }};
{% endif %}
    server_name {{ item.value.server_name }};
{% if item.value.load_balancer is defined %}
    location / {
        proxy_pass http://{{ item.value.load_balancer.proxy_pass }};
{% if item.value.load_balancer.health_check_plus %}
        health_check;
{% endif %}
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
    }
{% endif %}
{% if item.value.web_server is defined %}
    location / {
        root   {{ item.value.web_server.html_file_location }};
        index  {{ item.value.web_server.html_file_name }};
    }
{% if item.value.web_server.http_demo_conf %}
    sub_filter_once off;
    sub_filter 'server_hostname' '$hostname';
    sub_filter 'server_address' '$server_addr:$server_port';
    sub_filter 'server_url' '$request_uri';
    sub_filter 'remote_addr' '$remote_addr:$remote_port';
    sub_filter 'server_date' '$time_local';
    sub_filter 'client_browser' '$http_user_agent';
    sub_filter 'request_id' '$request_id';
    sub_filter 'nginx_version' '$nginx_version';
    sub_filter 'document_root' '$document_root';
    sub_filter 'proxied_for_ip' '$http_x_forwarded_for';
{% endif %}
{% endif %}
{% if item.value.error_page is defined %}
    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   {{ item.value.error_page }};
    }
{% endif %}
}