instruction: Create a Dockerfile for networking
output: ```dockerfile
  from outside the cluster to Services within
  your cluster.Read about Gateway, an extension to
  Kubernetes that provides more flexibility than Ingress.For more context, read the following:Virtual IPs and Service ProxiesEndpointSlicesService API referenceEndpointSlice API referenceEndpoint API reference (legacy)FeedbackWas this page helpful?Yes
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  Open an issue in the GitHub Repository if you want to
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  suggest an improvement.Last modified April 09, 2025 at 5:08 AM PST: Update docs for deprecation of Endpoints API (#49831) (649bda2cbd) Service API reference
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   Print entire sectionServices in KubernetesCloud-native service discoveryDefining a ServicePort definitionsServices without selectorsEndpointSlicesEndpoints (deprecated)Application protocolMulti-port ServicesService typetype: ClusterIPtype: NodePorttype: LoadBalancertype: ExternalNameHeadless ServicesWith selectorsWithout selectorsDiscovering servicesEnvironment variablesDNSVirtual IP addressing mechanismTraffic policiesTraffic distributionSession stickinessExternal IPsAPI ObjectWhat's next© 2025 The Kubernetes Authors | Documentation Distributed under CC BY 4.0© 2025 The Linux Foundation ®. ```