The Practitioner’s Guide to Scaling Infrastructure as Code

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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
Prometheus Operator – What is It, Tutorial & Examples
Kubernetes15 min read

Prometheus Operator – What is It, Tutorial & Examples

Deep dive into Prometheus Operator. Learn how to install it with Helm, and setting up ServiceMonitor and alertmanager. See examples.

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Recent posts

How to Troubleshoot Kubernetes ImagePullBackOff
Kubernetes11 min read
How to Troubleshoot Kubernetes ImagePullBackOff

What is status ImagePullBackOff Kubernetes error, and what does it mean? Learn how to troubleshoot and debug to get rid of ImagePullBackOff.

Kubernetes Networking Explained – Guide for Beginners
Kubernetes16 min read
Kubernetes Networking Explained – Guide for Beginners

Deep dive into Kubernetes networking. With this guide, you’ll learn what it is, the types of networking, and the architecture.

Kubernetes ConfigMap – What It is, How to Use & Examples
Kubernetes11 min read
Kubernetes ConfigMap – What It is, How to Use & Examples

What is a ConfigMap in Kubernetes? Learn how to create, mount and update them. See examples and ConfigMap vs. Secrets.

AWS S3 Sync Command – Guide with Examples
AWS11 min read
AWS S3 Sync Command – Guide with Examples

Learn how and when to use AWS S3 sync command. See command options and examples, including how to sync the S3 bucket locally.

Cloud-Native Security: 4C’s, Tools & Best Practices
General16 min read
Cloud-Native Security: 4C’s, Tools & Best Practices

Learn about cloud native security - what it is, what are the 4C’s of cloud-native security, and best practices to secure your environments.

11 Most Useful Cloud Orchestration Tools & Platforms [2025]
General13 min read
11 Most Useful Cloud Orchestration Tools & Platforms [2025]

See what are the best tools and platforms for cloud orchestration. Learn what are the benefits of using them to coordinate IT operations in the cloud.

How to Add Comments in a YAML File [Tutorial]
General7 min read
How to Add Comments in a YAML File [Tutorial]

Learn how to comment on a YAML file with single-line comments and how to comment out multiple lines. See when to use them and best practices.

Docker Compose – What is It, Example & Tutorial
Docker15 min read
Docker Compose – What is It, Example & Tutorial

What is Docker Compose? See a getting started tutorial for beginners with file structure, commands, how to install, how to use, and docker compose examples.

Fixing Kubernetes CreateContainerConfigError & CreateContainerError
Kubernetes9 min read
Fixing Kubernetes CreateContainerConfigError & CreateContainerError

What is CreateContainerConfigError and CreateContainerError in Kubernetes? See common causes and how to fix and debug.

Kubernetes StatefulSet vs. Deployment with Use Cases
Kubernetes11 min read
Kubernetes StatefulSet vs. Deployment with Use Cases

See the differences between Kubernetes StatefulSet vs. Deployment. Including the table comparison and use cases for each.

Docker ENTRYPOINT and CMD : Differences & Examples
Docker8 min read
Docker ENTRYPOINT and CMD : Differences & Examples

What is ENTRYPOINT in Docker, how to run and why do we use it? See ENTRYPOINT vs. CMD comparison and examples of using them together.

What is Kubecost & How to Use It [Tutorial]
Kubernetes11 min read
What is Kubecost & How to Use It [Tutorial]

Kubecost overview and its features as a cost allocation & optimization tool. Learn how to install Kubecost and use it to make savings in your own cluster.

How to Install Kubernetes – 4 Different Ways [Step-by-Step]
Kubernetes12 min read
How to Install Kubernetes – 4 Different Ways [Step-by-Step]

Learn how to install Kubernetes cluster with this step-by-step guide. See how to set it up using Minikube, MicroK8s, K3s, and Kubeadm

21 Docker Security Best Practices: Daemon, Image, Containers
Docker14 min read
21 Docker Security Best Practices: Daemon, Image, Containers

This Docker security best practices guide includes key steps you can take to secure the Docker daemon, create safer images, and protect containers at runtime.

Guide to Kubernetes Certification in 2025: Path, Exams & Cost
Kubernetes12 min read
Guide to Kubernetes Certification in 2025: Path, Exams & Cost

Are you looking to get your Kubernetes certifications? We'll cover the available courses, their cost and how to prepare. Pick the right K8s certification path!

Kubernetes Persistent Volumes – Tutorial and Examples
Kubernetes14 min read
Kubernetes Persistent Volumes – Tutorial and Examples

What are Persistent Volumes in Kubernetes? How PVs work, and how to get started? See types, access modes, and best practices.

How to Scale CI/CD – 7 Steps to Optimize Your Pipelines
General12 min read
How to Scale CI/CD – 7 Steps to Optimize Your Pipelines

Take a look at some of the CI/CD scaling problems, learn how to detect them. Learn how to scale and optimize your CI/CD pipelines.

Docker Cheat Sheet – 36 Docker CLI Commands
Docker16 min read
Docker Cheat Sheet – 36 Docker CLI Commands

This Docker cheat sheet include a quick reference to all the important CLI commands you need when using Docker!

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The Practitioner’s Guide to Scaling Infrastructure as Code

Transform your IaC management to scale

securely, efficiently, and productively

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