server {
    listen 80;
    server_name _;
    root /usr/share/nginx/html;
    index index.html;
    charset utf-8;

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

    add_header X-Content-Type-Options "nosniff" always;
    add_header Referrer-Policy "strict-origin-when-cross-origin" always;
    add_header X-Frame-Options "SAMEORIGIN" always;
    add_header Permissions-Policy "camera=(), microphone=(), geolocation=(), interest-cohort=()" always;
    add_header Content-Security-Policy "default-src 'self'; img-src 'self' data:; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline'; font-src 'self'; frame-ancestors 'self'; base-uri 'self'" always;

    location /assets/ {
        expires 30d;
        add_header Cache-Control "public, max-age=2592000";
        add_header X-Content-Type-Options "nosniff" always;
    }
    location = /impressum { try_files /impressum.html =404; }
    location = /datenschutz { try_files /datenschutz.html =404; }
    location / { try_files $uri $uri/ $uri.html =404; }
    error_page 404 /index.html;
}