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James Walker

James Walker is the founder of Heron Web, a UK-based software development studio providing bespoke solutions for SMEs. He has experience managing complete end-to-end web development workflows with DevOps, CI/CD, Docker, and Kubernetes. James is also a technical writer and has written extensively about the software development lifecycle, current industry trends, and DevOps concepts and technologies.
James Walker
Cloud Governance – What Is It, Framework & Models
General14 min read

Cloud Governance – What Is It, Framework & Models

What is cloud governance, and why does it matter? See the types of control and framework, best practices, and challenges.

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Recent posts

Argo Rollouts – What Is It, How It Works & Tutorial
General12 min read
Argo Rollouts – What Is It, How It Works & Tutorial

Deep dive into Argo Rollouts, what it is and use cases. See how to install it with Helm chart and use it for canary and blue-green deployments.

26 Top Kubernetes Tools for Your K8s Ecosystem in 2025
Kubernetes16 min read
26 Top Kubernetes Tools for Your K8s Ecosystem in 2025

Explore the list of 26 best tools you can use with your Kubernetes ecosystem, including monitoring, security, CI/CD and deployment tools.

Kubernetes HPA [Horizontal Pod Autoscaler] Guide
Kubernetes13 min read
Kubernetes HPA [Horizontal Pod Autoscaler] Guide

What is HPA in Kubernetes? See memory metrics and scaling a deployment via CPU example. The difference between HPA and VPA.

Writing .gitlab-ci.yml File with Examples [Tutorial]
General14 min read
Writing .gitlab-ci.yml File with Examples [Tutorial]

Learn what .gitlab-ci.yml file is, the main sections (like stages and variables), how to work with it and see example of writing a gitlab ci yml.

How to List Docker Containers [All, Running, Stopped, and More]
Docker13 min read
How to List Docker Containers [All, Running, Stopped, and More]

Learn how to list Docker containers using docker ps and ls. See commands for all, running, stopped, and Docker Compose containers.

How to Create a CI/CD Pipeline with Docker [Tutorial]
Docker11 min read
How to Create a CI/CD Pipeline with Docker [Tutorial]

Learn how to integrate Docker with CI/CD and how to build your pipeline using GitLab. See example and best practices.

What Are Kubernetes Jobs? Use Cases, Types & How to Run
Kubernetes11 min read
What Are Kubernetes Jobs? Use Cases, Types & How to Run

Learn about Jobs in Kubernetes and Job types, what are the use cases, and how to run a Kubernetes Job. See examples.

Top 10 Most Popular Jenkins Alternatives for DevOps in 2025
General11 min read
Top 10 Most Popular Jenkins Alternatives for DevOps in 2025

What tools compete with Jenkins? Check out the best 10 CI/CD alternatives to Jenkins, their key features, and pricing.

Top 12 Most Useful Docker Alternatives for 2025 [List]
Docker14 min read
Top 12 Most Useful Docker Alternatives for 2025 [List]

See the list of 12 best alternatives to Docker containers, including some lightweight, free, and paid options for Mac, Windows, and Linux OS.

Using Docker Cp Command to Copy Files in Containers [Examples]
Docker12 min read
Using Docker Cp Command to Copy Files in Containers [Examples]

Learn how to use Docker cp command to copy files and directories between containers. See use case examples including recursive copying.

Kubernetes Service – What It is, Types & Examples
Kubernetes15 min read
Kubernetes Service – What It is, Types & Examples

Discover what is a service in Kubernetes and the services types - ClusterIP, NodePort, LoadBalancer & ExternalName. See use case examples.

How to Deploy Helm Charts with Argo CD [Tutorial]
General15 min read
How to Deploy Helm Charts with Argo CD [Tutorial]

Learn how to use ArgoCD features to deploy Helm Charts. See examples, including installing, creating, and deploying your application.

12 Kubernetes Use Cases [Examples for 2025]
Kubernetes11 min read
12 Kubernetes Use Cases [Examples for 2025]

Explore 12 real life use cases for Kubernetes and industry examples. See what Kubernetes is best used for in 2025.

Docker Compose vs Kubernetes – Differences Explained
Docker12 min read
Docker Compose vs Kubernetes – Differences Explained

Kubernetes vs docker-compose - what are the differences and similarities between those tools? See our detailed comparison.

Docker Architecture Overview – Structure & Components
Docker12 min read
Docker Architecture Overview – Structure & Components

Learn how Docker architecture looks and works with all its containers, parts, and components. See the architecture diagram.

What is Argo Workflows? Templates, Use Cases & Tutorial
General17 min read
What is Argo Workflows? Templates, Use Cases & Tutorial

In this tutorial, we cover what Argo Workflows are and how they work with templates. Learn how to install and create a basic workflow.

How to Expose a Docker Port – Tutorial & Examples
Docker10 min read
How to Expose a Docker Port – Tutorial & Examples

Learn how to expose a port in Docker on running container using the docker run --expose command and the EXPOSE instruction. See examples.

Helm vs. Terraform – Key Differences & Comparison
Terraform14 min read
Helm vs. Terraform – Key Differences & Comparison

Helm vs Terraform - learn what are the similarities and differences in managing your Kubernetes clusters with these tools.

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