In this article, we explore Terraform’s pre/post conditions, check blocks, and variable validation, equipping developers with practical examples for crafting reliable and efficient configurations. Lifecycle Preconditions and Postconditions Introduced in Terraform 1.2.0, the lifecycle precondition and postcondition blocks can be attached to resource, data source, or output blocks. During the planning and applying phases…

GitHub has been heavily investing in security. In May 2020, they announced the beta release of GitHub Advanced Security. …

Historically, companies used to scale their servers and allocate resources according to predictable usage patterns on fixed daily, weekly, or yearly cycles. For example, administrators would scale up the office’s internal systems during business hours, or a retailer might increase server capacity during holiday sales spikes. However, in an era…

The rise of microservices architecture has sparked significant discussions within the technology industry. Despite the challenges posed by global events like the Russia-Ukraine war and the COVID-19 pandemic, experts project a remarkable growth in the market size of microservices architecture in the coming years. According to the IMARC Group, the…

In this series, I’ll discuss common Kubernetes networking services, including ClusterIP, LoadBalancer, Ingress, NodePort, and ExternalName. I will highlight their differences and guide you in selecting the most suitable service for different scenarios. If you are new to Kubernetes, I recommend reading my previous article for a general overview. Pods, Deployments, and Services in Kubernetes In this article, I will explain Kubernetes more in depth by introducing pods, services, and deployments. If you haven’t…medium.com

クラウド環境にインフラを定義·構築するためのIaC(Infrastructure as Code)ツールに転換する組織が増え、2021年までサイバー攻撃件数が125%増加し、最初からセキュリティにさらに力を入れることが義務付けられた。 この記事では、Checkov on Azure DevOps を使用して Terraform 設定コードの自動検 …

Cloud computing has revolutionized IT infrastructure and services globally, with Japan playing a key role in this transformation. In this article, I will talk about the journey of cloud computing in Japan, starting from the pre-COVID-19 era, then moving to the acceleration driven by the pandemic and its current state. Understanding Cloud Computing: Private, Hybrid, and Public Cloud …

仮想マシン(VM）全体を単一のエージェントに割り当てることは、、コストがかかり、また、（あなたにとって）あまり重要でない多くのレイヤーをコントロールすることになるかもしれません。 たとえば、オペレーティング システム（OS）を最新の状態に保つ必要があります。 コストと運用作業を削減するため、Azure コンテナインスタンスを構成してエージェントを …

According to a recent report from GMinsights, more and more enterprises and government institutions are moving to the cloud and adopting automation technologies like Continuous Integration (CI) and Continuous Deployment (CD) to make the Software Development Life Cycle more agile. This shift is driving a surge in the Infrastructure as…