# NK Admin: a single-page web app. Unknown paths load index.html so deep links work.
# Flutter's main.dart.js and flutter_bootstrap.js have no content hash, so code is always
# revalidated (cheap: ETag) and only images and fonts are cached.
# nginx drops server-level add_header lines inside a location that sets its own, so the
# security headers are repeated in each location.
server {
    listen 80;
    root /usr/share/nginx/html;

    location / {
        try_files $uri $uri/ /index.html;
        add_header Cache-Control "no-cache" always;
        add_header X-Frame-Options DENY always;
        add_header X-Content-Type-Options nosniff always;
        add_header Referrer-Policy same-origin always;
    }

    location ~* \.(png|jpg|svg|ico|ttf|otf|woff2?)$ {
        expires 7d;
        add_header X-Content-Type-Options nosniff always;
    }
}