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Kubernetes for Developers

You're reading from  Kubernetes for Developers

Product type Book
Published in Apr 2018
Publisher Packt
ISBN-13 9781788834759
Pages 374 pages
Edition 1st Edition
Languages
Concepts
Author (1):
Joseph Heck Joseph Heck
Profile icon Joseph Heck
LinkedIn
Joseph Heck has broad development and management experience across start-ups and large companies. He has architected, developed, and deployed a wide variety of solutions, ranging from mobile and desktop applications to cloud-based distributed systems. He builds and directs teams and mentors individuals to improve the way they build, validate, deploy, and run software. He also works extensively with and in open source, collaborating across many projects, including Kubernetes.
See other products by Joseph Heck

Table of Contents (16) Chapters

Title Page
Packt Upsell
Contributors
Preface
1. Setting Up Kubernetes for Development 2. Packaging Your Code to Run in Kubernetes 3. Interacting with Your Code in Kubernetes 4. Declarative Infrastructure 5. Pod and Container Lifecycles 6. Background Processing in Kubernetes 7. Monitoring and Metrics 8. Logging and Tracing 9. Integration Testing 10. Troubleshooting Common Problems and Next Steps 1. Other Books You May Enjoy Index

Exposing services outside the cluster

Everything we have discussed so far has been about representing services inside the Kubernetes cluster. The service concept is also how applications are exposed outside of a cluster.

The default service type is ClusterIP, and we briefly touched upon the type ExternalName, which was added to Kubernetes 1.7 to provide an external DNS reference. There are two other types that are very common, NodePort and LoadBalancer, which are specifically oriented towards exposing a service outside of the Kubernetes cluster.

Service type – LoadBalancer

The LoadBalancer service type is not supported in all Kubernetes clusters. It is most commonly used with cloud providers such as Amazon, Google, or Microsoft, and coordinates with the cloud provider's infrastructure to set up an external LoadBalancer that will forward traffic into the service.

How you define these services is specific to your cloud provider, and slightly different between AWS, Azure, and Google. LoadBalancer...

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Authors (1)

Profile icon Joseph Heck
LinkedIn
Joseph Heck has broad development and management experience across start-ups and large companies. He has architected, developed, and deployed a wide variety of solutions, ranging from mobile and desktop applications to cloud-based distributed systems. He builds and directs teams and mentors individuals to improve the way they build, validate, deploy, and run software. He also works extensively with and in open source, collaborating across many projects, including Kubernetes.
See other products by Joseph Heck

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