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

    # Dedicated Health Check Endpoint
    location /health {
        return 200 'healthy';
        add_header Content-Type text/plain;
    }

    # Your SPA routing (aliased to handle the sub-path)
    location /lab/data-dashboard/ {
        alias /usr/share/nginx/html/;
        try_files $uri $uri/ /index.html;
    }

    # Fallback for the root domain
    location / {
        try_files $uri $uri/ /index.html;
    }

    gzip on;
    gzip_types text/css application/javascript application/json;
}