nginx.conf

user                 www-data;
pid                  /run/nginx.pid;
worker_processes     auto;
worker_rlimit_nofile 65535;

events {
    multi_accept       on;
    worker_connections 65535;
}

http {
    charset              utf-8;
    sendfile             on;
    tcp_nopush           on;
    tcp_nodelay          on;
    server_tokens        off;
    log_not_found        off;
    types_hash_max_size  2048;
    types_hash_bucket_size 64;
    client_max_body_size 100M;

    # MIME
    include              mime.types;
    default_type         application/octet-stream;

    # Logging
    access_log           /var/log/nginx/access.log;
    error_log            /var/log/nginx/error.log warn;

    # SSL
    ssl_session_timeout  1d;
    ssl_session_cache    shared:SSL:10m;
    ssl_session_tickets  off;

    # Diffie-Hellman parameter for DHE ciphersuites
    ssl_dhparam          /etc/nginx/ssl/dhparam.pem;

    # Mozilla Intermediate configuration
    ssl_protocols        TLSv1.2 TLSv1.3;
    ssl_ciphers          ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;

    # OCSP Stapling
    ssl_stapling         on;
    ssl_stapling_verify  on;
    resolver             1.1.1.1 1.0.0.1 [2606:4700:4700::1111] [2606:4700:4700::1001] 8.8.8.8 8.8.4.4 [2001:4860:4860::8888] [2001:4860:4860::8844] 208.67.222.222 208.67.220.220 [2620:119:35::35] [2620:119:53::53] valid=60s;
    resolver_timeout     2s;

    # Load configs
    include              /etc/nginx/conf.d/*.conf;
    include              /etc/nginx/sites-enabled/*;
}