🚀 AWS Terraform Jenkins Infrastructure

Provision a complete AWS infrastructure using Terraform and automatically deploy a Jenkins Server on an EC2 instance using a Shell Script.

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📖 Table of Contents

• Overview
• Architecture
• Project Structure
• Features
• Technologies Used
• AWS Resources Created
• Prerequisites
• Deployment
• Terraform Commands
• File Description
• Project Screenshots
• Outputs
• Security Best Practices
• Future Enhancements
• Contributing
• License
• Author

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📌 Overview

This project demonstrates Infrastructure as Code (IaC) using Terraform by provisioning AWS infrastructure and deploying Jenkins automatically.

The infrastructure includes:

• Custom VPC
• Public Subnet
• Internet Gateway
• Route Table
• Security Group
• EC2 Instance
• Jenkins Installation using User Data Script

This project is suitable for beginners learning Terraform and AWS as well as recruiters evaluating DevOps skills.

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🏗️ Architecture

                    AWS Cloud
                         │
                 ┌─────────────────┐
                 │      VPC        │
                 └─────────────────┘
                         │
                  Public Subnet
                         │
                 Internet Gateway
                         │
                  Route Table
                         │
                  Security Group
                         │
                    EC2 Instance
                         │
                 User Data Script
                         │
                  Install Jenkins
                         │
                 Jenkins Dashboard

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📂 Project Structure

Terraform-Jenkins-AWS/
│
├── backend.tf
├── provider.tf
├── variable.tf
├── terraform.tfvars
├── vpc.tf
├── jenkins-server.tf
├── jenkins-server-script.sh
├── outputs.tf
│
├── .gitignore
├── README.md

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✨ Features

• Infrastructure as Code (Terraform)
• AWS Cloud Deployment
• Custom VPC
• Public Networking
• Security Groups
• EC2 Provisioning
• Automated Jenkins Installation
• Reusable Terraform Variables
• Terraform Outputs
• Easy Customization
• Beginner Friendly
• Production Ready Structure

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🛠 Technologies Used

Technology	Purpose

| Terraform | Infrastructure as Code | | AWS | Cloud Platform | | EC2 | Virtual Machine | | VPC | Networking | | Ubuntu | Operating System | | Shell Script | Jenkins Installation | | Jenkins | CI/CD Tool |

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☁️ AWS Resources Created

This Terraform project provisions:

• VPC
• Public Subnet
• Internet Gateway
• Route Table
• Route Table Association
• Security Group
• EC2 Instance
• Jenkins Installation
• Elastic IP (Optional)

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📋 Prerequisites

Before deploying the infrastructure, ensure you have:

• AWS Account
• Terraform v1.x+
• AWS CLI Installed
• AWS CLI Configured
• IAM User with Administrator Access
• EC2 Key Pair

Verify installation:

terraform -version
aws --version

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🚀 Deployment

Clone Repository

git clone https://github.com/shubham-rasal-123/terraform-code-to-create-jenkins-server.git

cd terraform-code-to-create-jenkins-server

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Initialize Terraform

terraform init

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Format Code

terraform fmt

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Validate Configuration

terraform validate

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Preview Infrastructure

terraform plan

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Deploy Infrastructure

terraform apply --auto-approve

View Outputs

terraform output

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Destroy Infrastructure

terraform destroy

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🔧 Useful Terraform Commands

terraform init
terraform fmt
terraform validate
terraform plan
terraform apply
terraform show
terraform output
terraform destroy

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📄 File Description

backend.tf

Configures Terraform backend.

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provider.tf

Configures AWS Provider and Region.

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variable.tf

Defines all Terraform variables.

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terraform.tfvars

Stores variable values.

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vpc.tf

Creates

• VPC
• Public Subnet
• Internet Gateway
• Route Table
• Route Table Association

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jenkins-server.tf

Creates

• Security Group
• EC2 Instance
• User Data Configuration

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jenkins-server-script.sh

Automatically installs

• Java
• Jenkins
• Starts Jenkins Service
• Enables Jenkins at Boot

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outputs.tf

Displays

• Public IP
• Instance ID
• VPC ID
• Subnet ID

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📊 Infrastructure Overview

Resource	Description

| VPC | Custom Virtual Private Cloud |

| Public Subnet | Public Network |

| Internet Gateway | Internet Connectivity |

| Route Table | Routing Configuration |

| Security Group | Firewall Rules |

| EC2 Instance | Ubuntu Server |

| Jenkins | CI/CD Automation |

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🔒 Security Best Practices

• Never commit AWS credentials.
• Never commit Terraform State files.
• Restrict SSH access.
• Use IAM Roles instead of Access Keys.
• Store state remotely using S3.
• Enable DynamoDB State Locking.
• Protect sensitive variables.

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📈 Future Enhancements

• Terraform Modules
• Remote Backend (S3)
• DynamoDB Locking
• Auto Scaling Group
• Application Load Balancer
• Route53
• SSL using ACM
• GitHub Actions
• Docker Deployment
• Kubernetes (EKS)
• CloudWatch Monitoring

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📜 .gitignore

.terraform/
*.tfstate
*.tfstate.*
terraform.tfvars
.terraform.lock.hcl
crash.log

.vscode/
.idea/

.DS_Store
Thumbs.db

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🤝 Contributing

Contributions are welcome!

1. Fork this repository.
2. Create a feature branch.
3. Commit your changes.
4. Push your branch.
5. Open a Pull Request.

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📄 License

This project is licensed under the MIT License.

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👨‍💻 Author

-- Shubham Rasal -- DevOps Engineer

Skills

• AWS
• Terraform
• Jenkins
• Docker
• Linux
• Shell Scripting
• Git & GitHub

GitHub: shubham-rasal-123

⭐ Support

If you found this project helpful,

Please ⭐ Star this repository.

It motivates me to build more Cloud and DevOps projects.

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🎯 Learning Outcomes

This project demonstrates practical experience with:

• Infrastructure as Code (IaC)
• AWS Networking
• EC2 Provisioning
• Jenkins Automation
• Shell Scripting
• Terraform Variables
• Terraform Outputs
• Cloud Infrastructure Deployment
• DevOps Best Practices

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