server {
    listen       80;
    server_name  _;

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

    # Compression
    gzip            on;
    gzip_comp_level 5;
    gzip_min_length 256;
    gzip_proxied    any;
    gzip_vary       on;
    gzip_types
        application/javascript
        application/json
        application/manifest+json
        application/wasm
        application/xml
        font/woff
        font/woff2
        image/svg+xml
        text/css
        text/plain;

    # Vite emits hashed file names under /assets/ — cache hard
    location /assets/ {
        access_log off;
        add_header Cache-Control "public, max-age=31536000, immutable";
        try_files $uri =404;
    }

    # PWA control surfaces — never cache, so updates propagate
    location = /sw.js {
        add_header Cache-Control "no-store";
        try_files $uri =404;
    }
    location = /registerSW.js {
        add_header Cache-Control "no-store";
        try_files $uri =404;
    }
    location = /manifest.webmanifest {
        add_header Cache-Control "no-store";
        types { } default_type application/manifest+json;
        try_files $uri =404;
    }

    # Workbox precache + sourcemap helpers
    location ~* ^/workbox-.*\.js$ {
        add_header Cache-Control "public, max-age=31536000, immutable";
        try_files $uri =404;
    }

    # SPA fallback — every other path serves index.html (no cache)
    location / {
        add_header Cache-Control "no-store";
        try_files $uri $uri/ /index.html;
    }
}