map $http_upgrade $connection_upgrade {
  default upgrade;
  ''      close;
}

server {
  listen 80;      # IPv4
  listen [::]:80; #IPv6
  server_name <%= @server_name %>;

  access_log "/var/log/nginx/mastodon.access.log";
  error_log "/var/log/nginx/mastodon.error.log";

  location /.well-known {
    root "/var/www/mastodon";
  }
  location / {
    return 301 https://$host$request_uri;
  }
}

server {
  listen 443 ssl http2;      #IPv4
  listen [::]:443 ssl http2; #IPv6
  server_name <%= @server_name %>;

  access_log "/var/log/nginx/mastodon.access.log";
  error_log "/var/log/nginx/mastodon.error.log";

  <% if File.exist?(@ssl_cert) &&
        File.exist?(@ssl_key) -%>
  ssl_certificate     <%= @ssl_cert %>;
  ssl_certificate_key <%= @ssl_key %>;
  <% end -%>

  keepalive_timeout    70;
  sendfile             on;
  client_max_body_size 0;
  gzip off;

  root <%= @mastodon_path %>/public;

  add_header Strict-Transport-Security "max-age=15768000; includeSubDomains";

  location / {
    try_files $uri @proxy;
  }

  location @proxy {
    proxy_set_header Host $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 https;

    proxy_pass_header Server;

    proxy_pass http://localhost:<%= @puma_port %>;
    proxy_buffering off;
    proxy_redirect off;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade;

    tcp_nodelay on;
  }

  location /api/v1/streaming {
    proxy_set_header Host $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 https;

    proxy_pass http://localhost:<%= @streaming_port %>;
    proxy_buffering off;
    proxy_redirect off;
    proxy_http_version 1.1;
    proxy_set_header Upgrade $http_upgrade;
    proxy_set_header Connection $connection_upgrade;

    tcp_nodelay on;
  }

  error_page 500 501 502 503 504 /500.html;
}