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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

About the Spacelift blog

Spacelift’s collaborative platform for infrastructure as code (IaC) enables DevOps teams to manage complex cloud infrastructures with ease. In line with our reputation as an authority on all things related to IaC management, we pride ourselves on sharing only the most precise, comprehensive, and actionable content related to our areas of expertise. See our Editorial Policy.
Docker Swarm vs. Kubernetes – Key Differences Explained
Docker11 min read

Docker Swarm vs. Kubernetes – Key Differences Explained

Discover the similarities and differences between Docker Swarm and Kubernetes and see which is better for your use case.

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News on Spacelift, product updates, all IaC & DevOps

Recent posts

Kubernetes Multi-Cloud Multi-Cluster Strategy Overview
Kubernetes13 min read
Kubernetes Multi-Cloud Multi-Cluster Strategy Overview

Explore Kubernetes multi-cloud, multi-cluster strategies, benefits, challenges, tools, best practices for managing multi-cluster deployments.

Platform Engineering vs. DevOps – Key Differences in 2026
Platform Engineering12 min read
Platform Engineering vs. DevOps – Key Differences in 2026

What is the difference between Platform engineering and DevOps? See the comparison and discover the benefits of each approach.

What Are Blue-Green Deployments in Kubernetes?
Kubernetes14 min read
What Are Blue-Green Deployments in Kubernetes?

Blue-green deployments in Kubernetes: how the traffic switch works, and how to implement it with a Service, Argo Rollouts, or Flagger.

The Role of Kubernetes in DevOps – Use Cases & Other Tools
Kubernetes11 min read
The Role of Kubernetes in DevOps – Use Cases & Other Tools

Discover why you should use Kubernetes for DevOps and see an overview of how Kubernetes supports effective DevOps strategies.

What Is Flux CD & How Does It Work? [Tutorial]
General12 min read
What Is Flux CD & How Does It Work? [Tutorial]

In this tutorial, you’ll learn how to use Flux CD features for Kubernetes GitOps. Flux CD vs ArgoCD explained.

Kubernetes Environment Variables – Setting & Managing
Kubernetes11 min read
Kubernetes Environment Variables – Setting & Managing

Learn what the environment variables in Kubernetes are. See examples - how to set them and pass them in deployment YAML files.

Cloud Governance – What Is It, Framework & Models
General12 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.

Argo Rollouts – What Is It, How It Works & Tutorial
General10 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 Kubernetes Tools for Your K8s Ecosystem in 2026
Kubernetes20 min read
26 Kubernetes Tools for Your K8s Ecosystem in 2026

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
Kubernetes11 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]
General12 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]
Docker10 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]
Docker10 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
Kubernetes10 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 2026
General14 min read
Top 10 Most Popular Jenkins Alternatives for DevOps in 2026

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 2026 [List]
Docker15 min read
Top 12 Most Useful Docker Alternatives for 2026 [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]
Docker10 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
Kubernetes13 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.

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