nginx.conf

user www-data www-data;
worker_processes ${{NUM_WORKERS}};
error_log stderr notice;
daemon off;
pid logs/nginx.pid;

events {
    worker_connections 1024;
}

http {
    include mime.types;

    gzip on;
    gzip_vary on;
    gzip_proxied any;
    gzip_comp_level 6;
    gzip_http_version 1.1;
    gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript application/lua text/lua;

    server {
        listen 80 default_server;
        listen [::]:80 default_server;

        location /.well-known/acme-challenge {
            alias /var/lib/dehydrated/acme-challenges;
        }

        location / {
            return 308 https://$host$request_uri;
        }
    }

    server {
        server_name fengari.io www.fengari.io;
        listen 443 ssl http2;
        listen [::]:443 ssl http2;

        ssl_certificate /var/lib/dehydrated/certs/fengari.io/fullchain.pem;
        ssl_certificate_key /var/lib/dehydrated/certs/fengari.io/privkey.pem;
        ssl_session_timeout 1d;
        ssl_session_cache shared:SSL:50m;
        ssl_session_tickets off;

        # Diffie-Hellman parameter for DHE ciphersuites, recommended 2048 bits
        ssl_dhparam /etc/ssl/private/dhparam.pem;

        # intermediate configuration. tweak to your needs.
        ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
        ssl_ciphers 'ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS';
        ssl_prefer_server_ciphers on;

        # HSTS (ngx_http_headers_module is required) (15768000 seconds = 6 months)
        add_header Strict-Transport-Security max-age=15768000;

        # OCSP Stapling ---
        # fetch OCSP records from URL in ssl_certificate and cache them
        ssl_stapling on;
        ssl_stapling_verify on;

        ## verify chain of trust of OCSP response using Root CA and Intermediate certs
        ssl_trusted_certificate /var/lib/dehydrated/certs/fengari.io/chain.pem;

        resolver 8.8.8.8;

        lua_code_cache ${{CODE_CACHE}};

        if ($host = www.fengari.io) {
            return 308 $scheme://fengari.io$request_uri;
        }

        location / {
            default_type text/html;
            content_by_lua '
                require("lapis").serve("app")
            ';
        }

        location /static/ {
            alias static/;
        }

        location /favicon.ico {
            alias static/favicon.ico;
        }
    }
}