nginx configuration for HTTP/2

default

server {
  # allow access from localhost
  # listen 80 reuseport backlog=1024;
  listen 443 ssl http2 backlog=1024;
  server_name test.kazu634.com;

  ssl_certificate /etc/letsencrypt/live/test.kazu634.com/fullchain.pem;
  ssl_certificate_key /etc/letsencrypt/live/test.kazu634.com/privkey.pem;
  ssl_dhparam /etc/letsencrypt/live/test.kazu634.com/dhparams_4096.pem;

  ssl_session_cache   shared:SSL:3m;
  ssl_buffer_size     4k;
  ssl_session_timeout 10m;

  ssl_session_tickets on;
  ssl_session_ticket_key /etc/letsencrypt/live/test.kazu634.com/ticket.key;

  ssl_protocols TLSv1.2 TLSv1.1 TLSv1;
  ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:AES128-GCM-SHA256:AES128-SHA256:AES128-SHA:AES256-GCM-SHA384:AES256-SHA256:AES256-SHA:DES-CBC3-SHA;
  ssl_prefer_server_ciphers on;

  ssl_stapling on;
  ssl_stapling_verify on;
  resolver 8.8.4.4 8.8.8.8 valid=300s;
  resolver_timeout 10s;

  # Enable HSTS (HTTP Strict Transport Security)
  add_header Strict-Transport-Security "max-age=31536000; includeSubdomains; preload";

  root /usr/share/nginx/html;
  index index.html index.htm;

  location / {
    gzip on;
    gzip_types text/css text/javascript;
    gzip_vary on;

    gzip_static always;
    gunzip on;

    try_files $uri $uri/ /index.html;

  }
}

# Denies the access without the pre-defined virtual host.
server {
  listen 80 default_server;
  server_name _;

  return 444;
}