# Soapbox Nginx for Docker.
server {
  listen ${PORT};

  keepalive_timeout    70;
  sendfile             on;
  client_max_body_size 80m;

  root /usr/share/nginx/html;

  gzip on;
  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 image/svg+xml image/x-icon;

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

  # SPA.
  # Try static files, then fall back to index.html.
  location / {
    try_files $uri /index.html;
  }

  # Build files.
  # New builds produce hashed filenames, so these should be cached heavily.
  location /packs {
    add_header Cache-Control "public, max-age=31536000, immutable";
    add_header Strict-Transport-Security "max-age=31536000" always;
  }

  # Return 404 on API routes so Soapbox knows what to do.
  location /api {
    add_header Content-Type "application/json";
    return 404 '{"error": "Not implemented"}';
  }

  # ServiceWorker: don't cache.
  location = /sw.js {
    add_header Cache-Control "public, max-age=0";
    add_header Strict-Transport-Security "max-age=31536000" always;
  }
}