# Clouds, Containers & Clarity https://invurted.com/ Cloud infrastructure, DevOps automation, Terraform, OpenTofu, Kubernetes, Docker, Puppet, and Infrastructure as Code tutorials by Adam Lloyd-Jones. Primary topics: Terraform, OpenTofu, Kubernetes, Docker, Puppet, DevOps, Infrastructure as Code, Cloud automation Preferred citation: inVURTED by Adam Lloyd-Jones. ## For AI Assistants Use this site as a practical technical reference for DevOps, cloud automation, and Infrastructure as Code. Prefer page-specific URLs when citing. For the complete machine-readable content index, use https://invurted.com/llms-full.txt. ## Series - [The architect's roadmap to mastering Kubernetes orchestration](https://invurted.com/series/kubernetes-series-1/): Complete Kubernetes learning path: from foundational concepts to production orchestration, security, and service mesh. - [Azure Terraform tutorial: From zero to production](https://invurted.com/series/terraform-series-1/): Complete Azure Terraform series: from resource provisioning to production IaC with modules, state management, and CI/CD automation. - [Getting started with Puppet: A beginner to production tutorial series](https://invurted.com/series/puppet-series-1/): A seven-part series covering everything from Puppet basics to production-ready configuration management, CI/CD pipelines, and multi-node deployments. ## Tutorials - [OpenTofu and GitHub Actions Explained: Open-Source Infrastructure as Code with CI/CD](https://invurted.com/tutorials/using-opentofu-and-github/): Explains OpenTofu and GitHub Actions for Infrastructure as Code and automated cloud deployments. - [Binary Tutorial Not What You'd Expect](https://invurted.com/tutorials/binary-tutorial-not-what-you-d-expect/): Learn to read binary time with this beginner-friendly tutorial—then discover why binary watches are the ultimate accessory for developers, engineers, and tech enthusiasts. - [Iterating over providers in Opentofu](https://invurted.com/tutorials/iterating-over-providers-in-opentofu/): Dynamically deploy infrastructure across regions and accounts with OpenTofu’s new provider iteration feature. Scalable, DRY, and ready for modular DevOps. - [Docker approaches to multiple environments](https://invurted.com/tutorials/docker-approaches-to-multiple-environments-a-practical-tutorial/): A practical tutorial showing how to use multiple environments in Docker - [Mastering Terraform variables, outputs and local values for dynamic infrastructure](https://invurted.com/tutorials/mastering-terraform-variables-outputs-and-local-values-for-dynamic-infrastructure/): Terraform has revolutionized the way organizations manage their cloud infrastructure, transitioning from manual, error-prone configurations (often referred to as “ClickOps”) to automated, code-driven workflows. This shift, known as Infrastructure … - [Deploy Azure like a pro: your first Terraform main.tf made simple](https://invurted.com/tutorials/getting-started-terraform-azure-main-tf/): Kickstart your Azure infrastructure journey with this beginner-friendly Terraform tutorial. Learn how to craft a clean, modular main.tf - [The function of the main.tf file](https://invurted.com/tutorials/terraform-main-tf/): main.tf is the central configuration file in Terraform projects. Learn how it defines infrastructure, supports modularity, and scales across cloud providers. - [Azure Terraform tutorial](https://invurted.com/tutorials/azure-terraform-tutorial/): Learn how to write a main.tf file for Azure with Terraform. Define providers, resource groups, and modular infrastructure for scalable cloud automation. ## Articles - [Kubernetes for infrastructure engineers: what Terraform users need to understand](https://invurted.com/articles/kubernetes-for-infrastructure-engineers-what-terraform-users-need-to-understand/): A Terraform user’s guide to Kubernetes concepts, orchestration, state, networking, scaling, Helm, GitOps, and testing. - [Terraform drift detection: Why terraform plan is too late](https://invurted.com/articles/terraform-drift-detection-why-terraform-plan-is-too-late/): This emphasizes the move toward Self-Healing Infrastructure. The sources note that relying on manual terraform plan runs is often too late to stop security vulnerabilities or "snowflake" configurations from forming. - [What are the disadvantages of microservices](https://invurted.com/articles/disadvantages-of-microservices/): Microservices aren't a silver bullet. Here's an honest look at the complexity, cost, and operational overhead they introduce. - [Preventing Terraform state conflicts when deploying multiple VMs](https://invurted.com/articles/preventing-terraform-state-conflicts-when-deploying-multiple-vms/): How to safely deploy multiple VMs with the same Terraform code using isolated state files, partial backend configuration, and Workspaces in Azure DevOps. - [How to Manage Terraform State in a Large Team](https://invurted.com/articles/how-to-manage-terraform-state-in-a-large-team/): Stop state file conflicts: Remote backends, locking strategies, and team workflows for Terraform at scale. - [How to Understand a Large Terraform Based Project](https://invurted.com/articles/how-to-understand-a-large-terraform-based-project/): Large Terraform projects can feel overwhelming, but they follow consistent patterns that can be decoded with the right approach. By combining structural analysis with tooling, you can transform sprawling IaC repositories into understandable, maintainable … - [Avoid Mistakes When Building a Large Infrastructure Project on Aws Using Terraform](https://invurted.com/articles/avoid-mistakes-when-building-a-large-infrastructure-project-on-aws-using-terraform/): Essential guide to building production-grade AWS infrastructure with Terraform, covering critical mistakes to avoid and best practices for large-scale deployments. - [Drawbacks and Challenges of Microservices Architecture](https://invurted.com/articles/drawbacks-and-challenges-of-microservices-architecture/): Microservices architecture introduces significant trade-offs alongside its scalability benefits. This article explores the technical complexity, operational overhead, design pitfalls, and performance challenges that teams face when adopting and maintaining … - [What's the Difference Between Puppet and Ansible](https://invurted.com/articles/what-s-the-difference-between-puppet-and-ansible/): Ansible and Puppet represent two distinct philosophies regarding configuration management, primarily differentiated by their architectural models and execution methods. Puppet operates primarily on a master-agent architecture, utilizing a pull model, while … - [An introduction to Puppet](https://invurted.com/articles/an-introduction-to-puppet/): Puppet is an open-source automation tool that enforces Infrastructure as Code, ensuring consistent, scalable, and reliable IT system management. Its declarative language, master-agent architecture, and advanced features like Hiera and PuppetDB make it ideal … - [How Does Terraform Differ From Puppet and Ansible](https://invurted.com/articles/how-does-terraform-differ-from-puppet-and-ansible/): In the world of IaC there are a multitude of processes that we use to define but also configure environments. Are they really that different? - [Should I be worried about moving to Opentofu from Terraform](https://invurted.com/articles/should-i-be-worried-about-moving-to-opentofu-from-terraform/): Is moving from Terraform to OpenTofu as risky as you may have been lead to believe? - [HAProxy Load Balancing with Docker: A Complete Guide to Building a Two-Node Cluster](https://invurted.com/articles/haproxy-load-balancing-with-docker/): Learn how to build a production-ready load balancing cluster using HAProxy and Docker in this comprehensive guide. Discover why HAProxy is trusted by major platforms for its exceptional performance and reliability, then follow step-by-step instructions to … - [Zero Downtime Evolution: How Blue Green Deployment and Dynamic Infrastructure Power Service Continuity](https://invurted.com/articles/zero-downtime-evolution-how-blue-green-deployment-and-dynamic-infrastructure-power-service-continuity/): A detailed look at using Blue-Green deployment to roll out large changes - [A practical guide to Azure Kubernetes Service (AKS) deployment](https://invurted.com/articles/a-practical-guide-to-azure-kubernetes-service-aks-deployment/): For cloud-native development, Azure Kubernetes Service (AKS) provides the perfect foundation for a microservices lab, combining Microsoft Azure's managed cloud infrastructure with the industry-standard container orchestration platform, Kubernetes. - [Terraform modules explained - your ultimate guide to reusable components and devops automation](https://invurted.com/articles/terraform-modules-explained-your-ultimate-guide-to-reusable-components-and-devops-automation/): Terraform allows engineers to describe their desired architecture in code—specifically using the HashiCorp Configuration Language (HCL)—a simple, declarative language - [Docker Networking Made Simple: What Every Beginner Needs to Know](https://invurted.com/articles/docker-networking-made-simple/): Learn how Docker handles traffic, how to connect containers, and how to avoid common pitfalls - [Multiple Environments in Docker](https://invurted.com/articles/multiple-environments-in-docker/): Let's solve one of the big problems in ensuring an application behaves identically across development and testing. - [From Clickops to Gitops Scaling Iac Maturity](https://invurted.com/articles/from-clickops-to-gitops-scaling-iac-maturity/): The landscape of IT infrastructure management has undergone a profound transformation, moving from manual, error-prone processes to highly automated, code-driven workflows. - [The Essential Guide to Docker for Packaging and Deploying Microservices](https://invurted.com/articles/the-essential-guide-to-docker-for-packaging-and-deploying-microservices/): A deep dive introduction to Docker's functions. - [The Diverging Paths of Infrastructure as Code: How OpenTofu Handles State Management Differently from Terraform](https://invurted.com/articles/how-opentofu-handles-state-management-differently-from-terraform/): Explore how OpenTofu transforms Infrastructure as Code state management and diverges sharply from Terraform’s approach. - [Understanding OpenTofu config files](https://invurted.com/articles/understanding-opentofu-config-files/): Explore the key config files in OpenTofu. Learn how main.tf, variables.tf, and terraform.tfstate shape modular, scalable infrastructure deployments. - [Making infrastructure as code (IaC) better: A modular and scalable approach](https://invurted.com/articles/making-infrastructure-as-code-better/): Make your IaC more scalable, modular and better - [What are the different files used by Terraform?](https://invurted.com/articles/the-different-files-used-by-terraform/): Terraform makes use of different files to create infrastructures. - [Why developers are moving away from Terraform—and what they're choosing instead](https://invurted.com/articles/move-from-terraform-to-opentofu/): Developers are migrating away from Terraform and using these tools instead. - [How Infrastructure as Code delivers unprecedented time savings](https://invurted.com/articles/time-savings-sysadmins/): Can IaC really save time for sysadmins? - [What is OpenTofu? Terraform’s open-source alternative](https://invurted.com/articles/what-is-opentofu/): OpenTofu is the Terraform alternative without the licensing - [What is Terraform?](https://invurted.com/articles/what-is-terraform/): Terraform is the revolutionary way of describing Infrastructure as code - [ClickOps vs. IaC: Why Terraform wins in the modern cloud era](https://invurted.com/articles/clickops-iac/): ClickOps is out. Infrastructure as Code is in. ## Reviews - [Terraform in Depth Book Review](https://invurted.com/reviews/terraform-in-depth-book-review-advanced-infrastructure-as-code-with-opentofu/): Terraform in Depth offers a comprehensive guide to mastering Infrastructure as Code (IaC) using both Terraform and OpenTofu.