How do you expose a Kubernetes application to external traffic?

Kubernetes provides several methods to expose applications externally, each suited for different scenarios.\n\nService Types:\n• NodePort: Exposes service on each node's IP at a static port\n• LoadBalancer: Provisions external load balancer (cloud provider)\n• ClusterIP: Internal cluster access only (default)\n\nIngress: HTTP/HTTPS routing and SSL termination\n• Path-based and host-based routing\n• SSL/TLS termination\n• Load balancing across services\n\nExample Configuration:\napiVersion: v1\nkind: Service\nmetadata:\n name: web-service\nspec:\n type: LoadBalancer\n ports:\n - port: 80\n targetPort: 8080\n selector:\n app: web-app\n\nBest Practices:\n• Use Ingress for HTTP/HTTPS traffic\n• Implement SSL/TLS certificates\n• Configure proper health checks\n• Use network policies for security