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Update expose-intro.html (#4868)

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* Update expose-intro.html

Pods each --> each Pods

* fix grammar
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Stewart-YU
2017-08-18 01:32:47 +08:00
committed by Andrew Chen
parent cc248ef32c
commit c91f767b4d
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docs/tutorials/kubernetes-basics/expose-intro.html
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@@ -31,7 +31,7 @@ title: Using a Service to Expose Your App
<p>A Service in Kubernetes is an abstraction which defines a logical set of Pods and a policy by which to access them. Services enable a loose coupling between dependent Pods. A Service is defined using YAML <a href="/docs/concepts/configuration/overview/#general-config-tips">(preferred)</a> or JSON, like all Kubernetes objects. The set of Pods targeted by a Service is usually determined by a <i>LabelSelector</i> (see below for why you might want a Service without including <code>selector</code> in the spec).</p>
<p>Although Pods each have a unique IP address, those IPs are not exposed outside the cluster without a Service. Services allow your applications to receive traffic. Services can be exposed in different ways by specifying a <code>type</code> in the ServiceSpec:</p>
<p>Although each Pod has a unique IP address, those IPs are not exposed outside the cluster without a Service. Services allow your applications to receive traffic. Services can be exposed in different ways by specifying a <code>type</code> in the ServiceSpec:</p>
<ul>
<li><i>ClusterIP</i> (default) - Exposes the Service on an internal IP in the cluster. This type makes the Service only reachable from within the cluster.</li>
<li><i>NodePort</i> - Exposes the Service on the same port of each selected Node in the cluster using NAT. Makes a Service accessible from outside the cluster using <code><NodeIP>:<NodePort></code>. Superset of ClusterIP.</li>