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Day 27 – Production Style AWS Infrastructure with Terraform and GitHub Actions CI/CD

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Introduction For Day 27 of my AWS and Terraform learning journey, I wanted to move beyond basic Terraform deployments and simulate a more production style Infrastructure as Code workflow. The goal of this project was not just to deploy AWS resources manually from a laptop, but to build a deployment pipeline where infrastructure changes are reviewed, approved, and automatically applied through GitHub Actions. This project included: Terraform based AWS infrastructure deployment GitHub Actions CI/CD workflow AWS OIDC authentication instead of static access keys Protected production approval workflow Auto Scaling Group infrastructure updates through Git commits Multi AZ production style network architecture Architecture Overview This architecture includes: VPC with public and private subnets Internet Gateway NAT Gateway Application Load Balancer Auto Scaling Group EC2 instances running Nginx S3 backend for Terraform remote state GitHub Actions CI/CD pi...
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Day 26 -Terraform Cloud and Workspace Management

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For Day 26 of my AWS Terraform learning journey, I explored HCP Terraform Cloud and workspace management. Until now, most of my Terraform projects were executed from my local machine. I used local state in the beginning and later moved to an S3 remote backend with state locking. That approach works well, especially for AWS based projects, but Terraform Cloud gives a more centralized way to manage Terraform runs, remote state, variables, logs, and collaboration. The goal of this project was to understand how Terraform Cloud works in a practical setup. I created a Terraform Cloud account, created a workspace, connected Terraform CLI to the workspace, and deployed a small AWS environment using Terraform. Architecture The architecture for this project is simple. A developer runs Terraform commands from the local machine. Terraform CLI connects to the Terraform Cloud workspace. Terraform Cloud manages the run, stores state remotely, and provisions AWS resources using the AWS provider. ...
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Day 25 - Terraform Import for Existing AWS Resources

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Today I worked on Terraform import as part of Day 25 of my AWS Terraform learning series. In real projects, not every AWS resource starts from Terraform. Some resources are created manually from the AWS Console. Some are created by older scripts. Some are created by different teams before Infrastructure as Code is adopted. Terraform import helps bring those existing resources into Terraform state so they can be managed going forward. For this project, I created a few AWS resources manually first, then imported them into Terraform. What I Built I used three existing AWS resources: S3 bucket EC2 instance Security group These resources were created outside Terraform first. Then I wrote Terraform configuration blocks for them and used terraform import to connect those real AWS resources to Terraform state. Architecture The workflow is simple: Existing AWS resources already exist in the AWS account. Terraform configuration defines matching resource blocks. terraform import m...
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