nginx.conf

server {
    listen 80;
    server_name _;

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

    location / {
        try_files $uri $uri/ /index.html;
        add_header Access-Control-Allow-Origin *;
        add_header Access-Control-Allow-Methods 'GET, POST, OPTIONS';
        add_header Access-Control-Allow-Headers 'Origin, X-Requested-With, Content-Type, Accept';
    }

    location ~* \.(?:ico|css|js|woff|woff2|ttf|otf|eot|svg|jpg|jpeg|png|gif|webp|avif|mp4|webm|ogv|ogg|mp3|m4a|wav|flac)$ {
        expires 6M;
        access_log off;
        add_header Cache-Control "public, max-age=15768000, immutable";
    }

    error_page 404 /index.html;
}