server {
    listen 80;
    server_name localhost;

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

    # Gzip compression
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;

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

    # Serve static music data
    location /data/ {
        alias /usr/share/nginx/html/data/;
        autoindex on;
        add_header Access-Control-Allow-Origin *;
    }

    # Cache static assets
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg)$ {
        expires 1y;
        add_header Cache-Control "public, no-transform";
    }

    # Do not cache JSON data files
    location ~* \.json$ {
        add_header Cache-Control "no-cache, no-store, must-revalidate";
        expires 0;
    }
}