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.

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.
How to List Docker Containers [All, Running, Stopped & More]
Docker10 min read

How to List Docker Containers [All, Running, Stopped & More]

See how to use different commands and options like Docker ps, list, ls to list containers. Listing containers in Docker Compose explained.

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Recent posts

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 2024
General11 min read
Top 10 Most Popular Jenkins Alternatives for DevOps in 2024

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 2024 [List]
Docker14 min read
Top 12 Most Useful Docker Alternatives for 2024 [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]
General14 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 2024]
Kubernetes10 min read
12 Kubernetes Use Cases [Examples for 2024]

Explore 12 real life use cases for Kubernetes and industry examples. See what Kubernetes is best used for in 2024.

Docker Compose vs Kubernetes – Differences Explained
Docker11 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 and Tutorial
General13 min read
What is Argo Workflows – Templates, Use Cases and 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.

Docker Exec Command – How to Use It, Tips & Examples
Docker12 min read
Docker Exec Command – How to Use It, Tips & Examples

What is the Docker exec command? Learn how to use it with -it, for multiple commands and other use cases. Docker run vs exec explained.

Kubernetes Network Policy – Guide with Examples
Kubernetes12 min read
Kubernetes Network Policy – Guide with Examples

Learn what are Network Policies in Kubernetes, how to implement them and best practices. See examples for default policies, egress and ingress.

What is Docker Init & When to Use It – Best Practices
Docker13 min read
What is Docker Init & When to Use It – Best Practices

Introduction to the new Docker init feature. See what it is, when and how to use it and best practices. Node.js example.

What are Kubernetes Manifest Files? Examples & Best Practices
Kubernetes13 min read
What are Kubernetes Manifest Files? Examples & Best Practices

Kubernetes manifest files explained. Learn how to create a manifest. See best practices and examples for pods, deployments, and networks.

Docker Ps Command – When to Use & Examples
Docker9 min read
Docker Ps Command – When to Use & Examples

Learn what does docker ps do and how to use its options for listing docker containers. See examples and how to filter docker ps output.

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