server {
  listen 80;
  server_name _;

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

  # Static assets
  location = /sw.js {
    add_header Cache-Control "no-cache, no-store, must-revalidate" always;
    try_files $uri =404;
  }

  location = /styles/global.css {
    add_header Cache-Control "no-cache" always;
    try_files $uri =404;
  }

  location / {
    # Serve directory index pages without requiring a trailing slash.
    # This fixes /videos (and similar) resolving to /videos/index.html.
    try_files $uri $uri/index.html $uri/ =404;
  }
}