vm-ansible/roles/webgateway/templates/nginx.conf

# {{ansible_managed}}
user www-data;
worker_processes auto;
pid /run/nginx.pid;
include /etc/nginx/modules-enabled/*.conf;

events {
        worker_connections 768;
        multi_accept on;
}

http {

        sendfile on;
        tcp_nopush on;
        tcp_nodelay on;
        keepalive_timeout 65;
        types_hash_max_size 2048;

        server_names_hash_bucket_size 64;

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

        ssl_protocols TLSv1.2 TLSv1.3;
        ssl_prefer_server_ciphers on;

        access_log /var/log/nginx/access.log;
        error_log /var/log/nginx/error.log;

        gzip on;

        gzip_vary on;
        gzip_proxied any;
        gzip_comp_level 6;
        gzip_buffers 16 8k;
        gzip_http_version 1.1;
        gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

        proxy_redirect  off;
        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    Upgrade $http_upgrade;
		proxy_set_header    Connection $http_connection;
        client_max_body_size    10m;
        client_body_buffer_size 128k;
        proxy_connect_timeout   90;
        proxy_send_timeout 120;
        proxy_read_timeout 300;
        proxy_buffering    off;
        proxy_request_buffering off;

        server {

            listen 80 default_server;
            listen [::]:80 default_server;
            server_name _;
            return 301 https://$host$request_uri;
        }

        {% for proxysite in proxy %}
        server {
            listen 443 ssl http2;
            listen [::]:443 ssl http2;
            server_name {{ proxysite.domain }};
            ssl_certificate /etc/letsencrypt/live/{{ proxysite.domain }}/fullchain.pem;
            ssl_certificate_key /etc/letsencrypt/live/{{ proxysite.domain }}/privkey.pem;
            location /{
                proxy_pass  https://{{ proxysite.ip }};
                proxy_ssl_verify    off;
            }
        }

        {% endfor %}

        {% for staticsite in static %}
        server {
            listen 443 ssl http2;
            listen [::]:443 ssl http2;
            server_name {{ staticsite.domain }};
            ssl_certificate /etc/letsencrypt/live/{{ staticsite.domain }}/fullchain.pem;
            ssl_certificate_key /etc/letsencrypt/live/{{ staticsite.domain }}/privkey.pem;
            root    {{ staticsite.directory }};
            location /{
                try_files $uri $uri/ =404;
            }
        }

        {% endfor %}
}