Jack Roper

Jack Roper is a highly experienced IT professional with close to 20 years of experience, focused on cloud and DevOps technologies. He specializes in Terraform, Azure, Azure DevOps, and Kubernetes and holds multiple certifications from Microsoft, Amazon, and Hashicorp. Jack enjoys writing technical articles for well-regarded websites.
Azure Cost Management – Best Practices & Tools
General17 min read

Azure Cost Management – Best Practices & Tools

Learn what Azure cost management is and how to use it. See best practices, tools, and different factors that can affect Azure's cost.

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Recent posts

Using Terraform Helm Provider to Deploy Applications
Terraform8 min read
Using Terraform Helm Provider to Deploy Applications

Learn what Terraform Helm provider is, how to declare it, and how to use it to deploy Helm charts in Kubernetes with Terraform. See examples.

Terraform Datadog Provider – How to Manage & Examples
Terraform8 min read
Terraform Datadog Provider – How to Manage & Examples

What is Datadog, and how to manage it with Terraform. See examples of how to create Datadog monitors and monitor automation using Terraform.

What is Kubernetes Load Balancer? Configuration & Examples
Kubernetes15 min read
What is Kubernetes Load Balancer? Configuration & Examples

Kubernetes load balancer definition. Learn how to configure a load balancer and best practices with examples for AWS, GCP, and Azure.

How to Create AWS EC2 Instance Using Terraform
Terraform15 min read
How to Create AWS EC2 Instance Using Terraform

Learn how to create an EC2 instance on AWS using Terraform with examples including configuration files and user_data.

Exit Code 137 – Fixing OOMKilled Kubernetes Error
Kubernetes11 min read
Exit Code 137 – Fixing OOMKilled Kubernetes Error

In this article, we will look at the OOMKilled error (exit code 137) in Kubernetes - what are the common causes and how to fix exit code 137.

How to Test Terraform Code – Strategies & Tools
Terraform13 min read
How to Test Terraform Code – Strategies & Tools

Learn how to test your Terraform code and ensure that all changes are deployed quickly and safely.

9 Container Security Best Practices & Solutions
General18 min read
9 Container Security Best Practices & Solutions

By implementing container security best practices, you can ensure that your applications are protected from potential threats and vulnerabilities.

Terraform Environment Variables – How to Use Them
Terraform13 min read
Terraform Environment Variables – How to Use Them

Explore what Terraform environment variables are, when and why you would use them, and how to set them with examples of each.

Terraform Refresh Command – Example Usage
Terraform5 min read
Terraform Refresh Command – Example Usage

Learn what the Terraform refresh is and why it is recommended not to use this command directly.

Terraform For Loop – Expression Overview with Examples
Terraform9 min read
Terraform For Loop – Expression Overview with Examples

Learn how to handle a for loop in Terraform with count and for_each meta-arguments for different use cases and how to use this expression with an if clause.

Terraform Kubernetes Provider – Manage & Deploy Resources
Kubernetes9 min read
Terraform Kubernetes Provider – Manage & Deploy Resources

Learn how you can use the Terraform Kubernetes provider to manage objects on your Kubernetes cluster.

How to Use tfenv to Manage Multiple Terraform Versions
Terraform6 min read
How to Use tfenv to Manage Multiple Terraform Versions

Explore Terraform version manager tfenv, with examples of how to install it and use it to add, change and uninstall different Terraform versions.

How to Use Terraform Console Command – Examples
Terraform7 min read
How to Use Terraform Console Command – Examples

In this short article, we will explore the terraform console command with some examples of how to use it.

What are Kubernetes Custom Resource Definitions (CRDs)?
Kubernetes6 min read
What are Kubernetes Custom Resource Definitions (CRDs)?

Explore Custom Resource Definitions (CRDs) in Kubernetes, learn what they are, possible use cases, and how to get started creating your own CRDs.

How to Provision Azure AKS Cluster Using Terraform
Terraform12 min read
How to Provision Azure AKS Cluster Using Terraform

Learn how to create an Azure Kubernetes Service (AKS) cluster with Terraform with just four lines of code.

Using Terraform to Set Up and Deploy Docker Containers
Terraform6 min read
Using Terraform to Set Up and Deploy Docker Containers

Check out how to use Terraform for automation to set up Docker containers on Windows and deploy a demo container.

Working with Kubernetes Namespaces
Kubernetes6 min read
Working with Kubernetes Namespaces

What are Kubernetes namespaces? See how to create them on the command line and in a configuration file.

OpenShift vs. Kubernetes : Product & Project Comparison
Kubernetes11 min read
OpenShift vs. Kubernetes : Product & Project Comparison

Examine some of the differences between OpenShift and Kubernetes - two popular container orchestration management systems.

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