nginx.conf

# For more information on configuration, see:
#   * Official English Documentation: http://nginx.org/en/docs/
#   * Official Russian Documentation: http://nginx.org/ru/docs/

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

# Load dynamic modules. See /usr/share/nginx/README.dynamic.
include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

# Gopher site
stream {
server {
    listen 70;
    listen [::]:70;
    proxy_pass localhost:5000;
}
}

http {
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

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

    gzip on;
    gzip_proxied any;
    gzip_types text/html image/svg+xml text/css application/json application/javascript;
    gzip_vary on;

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

    # Load modular configuration files from the /etc/nginx/conf.d directory.
    # See http://nginx.org/en/docs/ngx_core_module.html#include
    # for more information.
    include /etc/nginx/conf.d/*.conf;

    # main site
    server {
        listen 80;
        listen [::]:80;
        server_name invisibleup.com;
        rewrite ^ https://$host$request_uri? permanent;
    }

    server {
        listen 443 ssl http2;
        listen [::]:443 ssl http2;
        server_name # fill this in
        ssl_protocols TLSv1.1 TLSv1.2;
        ssl_prefer_server_ciphers On;
        ssl_ciphers ECDH+AESGCM:ECDH+CHACHA20:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:!aNULL:!MD5:!DSS;

        ssl_certificate # fill this path in
        ssl_certificate_key # fill this path in

        ssl_stapling on;
        ssl_stapling_verify on;

        add_header Strict-Transport-Security "max-age=31536000; includeSubDomains; preload";

        location /.well-known {
            alias # location of .well-known
        }

        location / {
            proxy_set_header Host $http_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;
            proxy_pass # iup_server unix:// socket path
        }
    }
}