nginx.conf

user  nginx;
worker_processes  2;
worker_rlimit_nofile 8192;

error_log   /dev/stderr warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


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

    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  /dev/stdout  main;

    sendfile        on;
    tcp_nopush on;
    tcp_nodelay on;
    keepalive_timeout 65;
    types_hash_max_size 2048;
    server_tokens off;
    server_names_hash_bucket_size 128;
    client_max_body_size 5M;

    limit_conn_zone $binary_remote_addr zone=perip:10m;
    limit_conn_zone $server_name zone=perserver:10m;

    client_body_buffer_size  4K;
    client_header_buffer_size 4k;
    large_client_header_buffers 2 4k;

    ssl_protocols TLSv1 TLSv1.1 TLSv1.2; # omit SSLv3 because of POODLE (CVE-2014-3566)
    ssl_dhparam /etc/nginx/ssl/dhparams.pem;
    ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES256-SHA:DHE-RSA-CAMELLIA256-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:DHE-RSA-CAMELLIA128-SHA:DES-CBC3-SHA';
    ssl_prefer_server_ciphers on;
    ssl_stapling on;
    ssl_session_cache shared:SSL:50m;
    ssl_stapling_verify on;
    ssl_ecdh_curve secp384r1;
    resolver 8.8.8.8;
    
    charset UTF-8;
    
    gzip on;
    gzip_http_version 1.1;
    gzip_vary on;
    gzip_comp_level 6;
    gzip_proxied any;
    gzip_types text/plain text/html text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript application/javascript text/x-js;
    gzip_buffers 16 8k;
    gzip_disable "MSIE [1-6]\.(?!.*SV1)";

    add_header X-Content-Type-Options nosniff;
    add_header X-XSS-Protection "1; mode=block";

    server {
        listen 80;
        server_name _;

        root   /usr/share/nginx/html;

        location /.well-known/ {}  # do not redirect requests letsencrypt

        location / {  # the default location redirects to https
            return 301 https://$host$request_uri;
        }
    }

    include /etc/nginx/conf.d/*.conf;
}