map $sent_http_content_type $cache_control_strategy {
    default                              "public, max-age=2592000";
    ~^text/html                          "no-store, must-revalidate";
    ~^text/css                           "public, max-age=31536000, immutable";
    ~^application/javascript             "public, max-age=31536000, immutable";
    ~^application/json                   "no-store, must-revalidate";
    ~^image/                             "public, max-age=2592000";
    ~^font/                              "public, max-age=31536000, immutable";
}

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

    add_header X-Content-Type-Options "nosniff" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header Permissions-Policy "geolocation=(), microphone=(), camera=()" always;
    add_header Cache-Control $cache_control_strategy always;

    location / {
        try_files $uri $uri/ $uri.html $uri/index.html =404;
    }

    location /_astro/ {
        access_log off;
        expires 1y;
    }

    location ~* \.(webp|avif|jpg|jpeg|png|gif|svg|ico|woff2?|ttf|otf|eot)$ {
        access_log off;
        expires 30d;
    }

    gzip on;
    gzip_vary on;
    gzip_min_length 1024;
    gzip_types text/plain text/css text/xml application/json application/javascript application/xml+rss image/svg+xml;

    error_page 404 /404.html;
    location = /404.html {
        internal;
    }
}