Configure and docker compose in 5 minutes for docker images
Introduction
Compose is a tool for defining and running multi-container Docker applications. With Compose, you use a YAML file to configure your application’s services.
Whenever one has to run more than a container and have them to communicate with another, Docker…
Quick yet gentle introduction in get Kafka running
In this article I am using Kafka 2.8.0 for client and server. Hence one may notice some discrepancy with the use of Zookeeper. This is due to KIP-500 to replace Zookeeper with self-managed quorum.
Introduction
The best way to introduce Kafka is by…
Many times one would have a need to template-ize a volume and would like to clone it for every new pod creation. ‘Volume Snapshot’ is the name for this.
In this article I have put together the steps required to
- create a master template as PVC
- create a volume snapshot
- …
A developer’s guide to setting up Vault in kubernetes and using it with kv-store for secrets and userpass access.
In this brief write-up, I shall try to provide a quick way to get Vault up and running from a running GKE cluster.
Installation
Revised
What is Closure?
A closure is the combination of a function and the lexical environment within which that function was declared.
The reason it is called a “closure” is that an expression containing free variables is called an “open” expression, and by associating to it the bindings of its free variables, you…
Deploying elasticsearch using kubernetes
In this article, I would like to provide an example of using StatefulSet to deploy an elasticsearch cluster.
The configuration for this setup requires
- An headless service (for intra-node communication)
- A LoadBalancer service (for providing REST endpoint to outside world) using Client Nodes only.
- A
StatefulSet…
Understanding how storage works
Kubernetes, a container orchestration engine had been built for stateless systems. These are generally the kinds of applications we commonly build.
applying deployment configuration for applications does help with this effectively. But, there may be cases where one wants to preserve state in a pod.
HDFS as dfs deployed to local for development and testing.
Introduction
The Hadoop Distributed File System (HDFS) is the primary data storage system used by Hadoop applications. It employs a NameNode and DataNode architecture to implement a distributed file system that provides high-performance access to data across highly scalable Hadoop clusters.
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