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

server {
  listen 80;
  listen [::]:80;
  server_name {{ domains |first }};
  include /etc/nginx/snippets/letsencrypt.conf;
  {% if ssl.stat.exists %}
  location / { return 301 https://$host$request_uri; }
  {% endif %}
}

{% if ssl.stat.exists %}
server {
  listen 443 ssl http2;
  listen [::]:443 ssl http2;
  server_name {{ domains |first }};

  include /etc/nginx/snippets/letsencrypt.conf;
  ssl_certificate /etc/letsencrypt/live/{{ domains |first }}/fullchain.pem;
  ssl_certificate_key /etc/letsencrypt/live/{{ domains |first }}/privkey.pem;
  ssl_trusted_certificate /etc/letsencrypt/live/{{ domains |first }}/chain.pem;

  # OCSP stapling
  ssl_stapling on;
  ssl_stapling_verify on;


  keepalive_timeout    70;
  sendfile             on;
  client_max_body_size 0;

  root /home/{{ service }}/mastodon/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";
  #add_header Content-Security-Policy "style-src 'self' 'unsafe-inline'; script-src 'self'; object-src 'self'; img-src data: https:; media-src data: https:; connect-src 'self' wss://{{ domains |first }}; upgrade-insecure-requests";

  location / {
    try_files $uri @proxy;
  }

  location ~ ^/(emoji|packs|system/accounts/avatars|system/media_attachments/files) {
    add_header Cache-Control "public, max-age=31536000, immutable";
    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://127.0.0.1:{{puma_port|default('3000')}};
    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://127.0.0.1:{{ node_port | default('4000')}};
    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;
}
{% endif %}