server {
    listen 80;
    server_name _;  # Respond to all hostnames
    
    # JupyterHub with base URL /jupyter/
    location /jupyter/ {
        proxy_pass http://jupyterhub:8000/jupyter/;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        
        # WebSocket support (crucial for Jupyter)
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection $connection_upgrade;
        proxy_read_timeout 86400;
		proxy_send_timeout 86400;

		# Disable buffering for WebSocket 
		proxy_buffering off;
        
        # Handle large file uploads
        client_max_body_size 100M;
        proxy_request_buffering off;
    }

    # Redirect root to JupyterHub
    location = / {
        return 302 /jupyter/;
    }

    # Health check endpoint
    location /jupyter/hub/health {
        proxy_pass http://jupyterhub:8000/jupyter/hub/health;
        proxy_set_header Host $host;
        access_log off;
        allow all;
    }

    # Deny access to hidden files
    location ~ /\. {
        deny all;
        access_log off;
        log_not_found off;
    }
}