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.

License and certifications

  • HashiCorp Certified: Terraform Associate
  • CKA: Certified Kubernetes Administrator
  • Microsoft Certified: Azure Virtual Desktop Specialty
  • Microsoft Certified: Azure Developer Associate
  • AWS Certified Solutions Architect – Associate
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.

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Recent posts

What is Kubernetes Load Balancer? Configuration Example
Kubernetes14 min read
What is Kubernetes Load Balancer? Configuration Example

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
Kubernetes13 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
Terraform18 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.

What is Container Security? 10 Best Practices & Solutions
General21 min read
What is Container Security? 10 Best Practices & Solutions

Implement 10 container security best practices to ensure key components of your container architecture are protected from potential threats.

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
Terraform14 min read
Terraform For Loop – Expression Overview with Examples

Learn how to use a for loop in Terraform - iterating over a list and a map, nested loop, expression with an if clause, and other examples.

Terraform Kubernetes Provider: Manage & Deploy Resources
Kubernetes8 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 use Terraform to create and deploy an Azure Kubernetes Service (AKS) cluster with just four lines of code. AKS module overview.

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
Kubernetes13 min read
OpenShift vs. Kubernetes : Product & Project Comparison

OpenShift vs Kubernetes: what are the differences and similarities between two popular container orchestration management systems?

How to Use the If / Else Statement in Terraform – Examples
Terraform6 min read
How to Use the If / Else Statement in Terraform – Examples

Take a look at the Terraform if statement block and conditional expressions in Terraform with a few examples.

CronJob in Kubernetes – Automating Tasks on a Schedule
Kubernetes17 min read
CronJob in Kubernetes – Automating Tasks on a Schedule

See how to define, schedule and run a CronJob in Kubernetes and K8s manifest files. The spec options, troubleshooting and examples.

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