Kubernetes NodePort Custom Port

Question

Is there way to specify a custom NodePort port in a kubernetes service YAML definition? I need to be able to define the port explicitly in my configuration file.

Answer 1

You can set the type NodePort in your Service Deployment. Note that there is a Node Port Range configured for your API server with the option --service-node-port-range (by default 30000-32767). You can also specify a port in that range specifically by setting the nodePort attribute under the Port object, or the system will chose a port in that range for you.

So a Service example with specified NodePort would look like this:

apiVersion: v1 kind: Service metadata:   name: nginx   labels:     name: nginx spec:   type: NodePort   ports:     - port: 80       nodePort: 30080       name: http     - port: 443       nodePort: 30443       name: https   selector:     name: nginx 

For more information on NodePort, see this doc. For configuring API Server Node Port range please see this.