server {
    listen 80;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;

    gzip on;
    gzip_types text/css application/javascript application/wasm image/svg+xml;

    add_header X-Content-Type-Options nosniff;
    add_header Referrer-Policy no-referrer-when-downgrade;

    # un-hashed file copied by chiptuneWorkletFix -- must not be immutable
    location = /assets/libopenmpt.worklet.js {
        add_header Cache-Control "public, max-age=86400";
        add_header X-Content-Type-Options nosniff;
        add_header Referrer-Policy no-referrer-when-downgrade;
    }

    location /assets/ {
        # add_header is not inherited once a location declares its own
        add_header X-Content-Type-Options nosniff;
        add_header Referrer-Policy no-referrer-when-downgrade;
        add_header Cache-Control "public, max-age=31536000, immutable";
    }
    location /music/ {
        add_header X-Content-Type-Options nosniff;
        add_header Referrer-Policy no-referrer-when-downgrade;
        add_header Cache-Control "public, max-age=86400";
    }
    location / {
        add_header X-Content-Type-Options nosniff;
        add_header Referrer-Policy no-referrer-when-downgrade;
        try_files $uri $uri/ /index.html;
        add_header Cache-Control "no-cache";
    }
}