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

{% for server in ENV_PRODUCTION['ALTERNATE_DOMAINS'] | split(",") %}
server {
  listen 80;
  listen [::]:80;
  server_name {{ server }}
  root /home/mastodon/live/public;
  # Useful for Let's Encrypt
  location /.well-known/acme-challenge/ { allow all; }
  location / { return 301 https://$host$request_uri; }
}
{% endfor %}

upstream webbackend {
{% for server in webapp_hosts %}
  server {{ server }}:3000;
{% endfor %}
}

upstream streamingbackend {
{% for server in webapp_hosts %}
  server {{ server }}:4000;
{% endfor %}
}

{% for server in ENV_PRODUCTION['ALTERNATE_DOMAINS'] | split(",") %}
server {
  listen 443 ssl http2;
  listen [::]:443 ssl http2;
  server_name {{ server }};

  include /etc/nginx/cloudflare;

  ssl_protocols TLSv1.2;
  ssl_ciphers HIGH:!MEDIUM:!LOW:!aNULL:!NULL:!SHA; ssl_prefer_server_ciphers on;
  ssl_session_cache shared:SSL:10m;

  ssl_certificate     /etc/nginx/ssl/domain.fullchain.pem;
  ssl_certificate_key /etc/nginx/ssl/domain.privkey.pem;

  keepalive_timeout    70;
  sendfile             on;
  client_max_body_size 80m;

  root /home/mastodon/live/public;

  gzip on;
  gzip_disable "msie6";
  gzip_vary on;
  gzip_proxied any;
  gzip_comp_level 6;
  gzip_buffers 16 8k;
  gzip_http_version 1.1;
  gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

  add_header Strict-Transport-Security "max-age=31536000";

  location / {
    try_files $uri @proxy;
  }

  # support ~waffles type homedir redirects
  location ~ ^/~(.+)?$ {
    rewrite ^/(.*) https://home.yttrx.com/$1 permanent;
  }


  # WITH S3
  location ~ ^/(emoji|packs) {
    add_header Cache-Control "public, max-age=31536000, immutable";
    try_files $uri @proxy;
  }

  location /system {
  rewrite ^/system(.*) https://{{ ENV_PRODUCTION['S3_ALIAS_HOST'] }}$1 permanent;
  }
  # END OF S3 
  location /sw.js {
    #add_header Cache-Control "public, max-age=0";
    add_header Cache-Control "public, max-age=604800, must-revalidate";
    add_header Strict-Transport-Security "max-age=63072000; includeSubDomains";
    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_set_header Proxy "";
    proxy_pass_header Server;


    proxy_pass http://webbackend;
    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_set_header Proxy "";

    proxy_pass http://streamingbackend;
    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;
}
{% endfor %}