server {
    listen 80;
    server_name _;

    root /var/www/maxun;
    index index.html;

    # Serve the frontend
    location / {
        try_files $uri $uri/ /index.html;
    }
    
    # Proxy for backend 
    location  ^/(auth|storage|record|workflow|robot|proxy|api-docs)(/|$) {
        proxy_pass http://localhost:8080;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;
        
        # Add timeout configurations
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;
        
        # Add error handling
        proxy_intercept_errors on;
        error_page 502 503 504 /50x.html;
    }

    location ~ ^/(record|workflow|storage|auth|integration|proxy|api-docs) {
        proxy_pass http://localhost:8080;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'keep-alive';  # Ensure connections remain open
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_cache_bypass $http_upgrade;

        # Timeout configurations
        proxy_connect_timeout 60s;
        proxy_send_timeout 60s;
        proxy_read_timeout 60s;

        # Error handling for these routes
        proxy_intercept_errors on;
        error_page 502 503 504 /50x.html;
    }
}