Ensuring pod reliability – Container Orchestration with Kubernetes
Ronald Herzig
We talked about health checks in Chapter 4 , Creating and Managing Container Images, and I also mentioned that you should not use them on the Docker level and instead…
Exams of Cloud
Troubleshooting pods – Container Orchestration with Kubernetes-2
We’ve discussed troubleshooting running containers, but what if the containers fail to start for some reason? Let’s look at the following example: $ kubectl run nginx-1 –image=nginx-1 Now, let’s try…
Cloud Certifications
Exams of Cloud
Kubernetes architecture
Managing Docker images
Other public registries
Troubleshooting pods – Container Orchestration with Kubernetes-1
Similar to how we can browse logs from a container using docker logs, we can browse logs from a container within a Kubernetes pod using the kubectl logs command. If…
Installing Minikube – Container Orchestration with Kubernetes
We will install Minikube in the same Linux machine we used to install Docker in Chapter 3, Containerization with Docker. So, if you haven’t done that, please go to Chapter…
Building our first container
Cloud Certifications
Exams of Cloud
Managing Docker images
Troubleshooting pods
Kubernetes architecture – Container Orchestration with Kubernetes-1
Kubernetes is made of a cluster of nodes. There are two possible roles for nodes in Kubernetes – control plane nodes and worker nodes. The control plane nodes control the…
Cloud Certifications
Exams of Cloud
Kubernetes architecture
Troubleshooting pods
Understanding Kubernetes pods
What is Kubernetes, and why do I need it? – Container Orchestration with Kubernetes-1
By now, you should understand what containers are and how to build and run containers using Docker. However, how we ran containers using Docker was not optimal from a production…
Cloud Certifications
Exams of Cloud
Kubernetes architecture
Managing Docker images
Other public registries
Summary – Creating and Managing Container Images
In this chapter, we have covered a lot of ground. At this point, you should understand Docker from a hands-on perspective. We started with Docker images, how to use a…
Building our first container
Cloud Certifications
Exams of Cloud
Kubernetes architecture
Managing Docker images
Other public registries
Other public registries – Creating and Managing Container Images
Apart from running your registry in a dedicated Docker server, other cloud and on-premises options exist. Most public cloud providers offer paid online registries and container-hosting solutions that you can…
Cloud Certifications
Exams of Cloud
Kubernetes architecture
Managing Docker images
Other public registries
Troubleshooting pods
Understanding Docker registries – Creating and Managing Container Images-2
And that’s it! It is as simple as that! There are other considerations as well since this is too simplistic. You will also have to mount volumes; otherwise, you will…
Cloud Certifications
Exams of Cloud
Kubernetes architecture
Managing Docker images
Other public registries
Troubleshooting pods
Understanding Kubernetes pods
Understanding Docker registries – Creating and Managing Container Images-1
A Docker registry is a stateless, highly scalable server-side application that stores and lets you distribute Docker images. The registry is open source under the permissive Apache license. It is…