FundMe Banking Microservice - DevOps Certification Project

📋 Project Overview

FundMe is a Global Banking and Financial services provider implementing microservice architecture with complete DevOps CI/CD pipeline. This project demonstrates:

• Spring Boot Microservice with REST APIs
• H2/MySQL Database for data storage
• Docker containerization
• Kubernetes orchestration
• Jenkins CI/CD pipeline
• Terraform Infrastructure as Code
• Ansible Configuration Management
• Prometheus & Grafana Monitoring

---

🔧 Technology Stack

Technology	Purpose
Java 17	Programming Language
Spring Boot 2.7.4	Microservice Framework
H2 Database	In-Memory Database (POC)
MySQL	Production Database
Maven	Build Tool
JUnit/TestNG	Testing Framework
Docker	Containerization
Kubernetes	Container Orchestration
Jenkins	CI/CD Pipeline
Terraform	Infrastructure as Code
Ansible	Configuration Management
Prometheus	Metrics Collection
Grafana	Monitoring Dashboard

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🚀 API Endpoints

Endpoint	Method	Description	Request Body
/createAccount	POST	Create new account	JSON
/updateAccount/{accountNo}	PUT	Update account	JSON
/viewPolicy/{accountNo}	GET	View account details	None
/deletePolicy/{accountNo}	DELETE	Delete account	None
/accounts	GET	List all accounts	None
/health	GET	Health check	None

Sample Request/Response

Create Account:

curl -X POST http://localhost:8082/createAccount \
  -H "Content-Type: application/json" \
  -d '{
    "accountNumber": 1006,
    "accountName": "Vedanth Gumaj",
    "accountType": "Savings",
    "accountBalance": 50000.00
  }'

Response:

{
  "accountNumber": 1006,
  "accountName": "Vedanth Gumaj",
  "accountType": "Savings",
  "accountBalance": 50000.0
}

View Account:

curl http://localhost:8082/viewPolicy/1001

---

📁 Project Structure

BankingWebApp/
├── src/
│   ├── main/
│   │   ├── java/com/project/banking/
│   │   │   ├── BankingApplication.java    # Main Application
│   │   │   ├── Account.java               # Entity
│   │   │   ├── AccountController.java     # REST Controller
│   │   │   ├── AccountService.java        # Service Layer
│   │   │   └── AccountRepository.java     # Data Repository
│   │   └── resources/
│   │       ├── application.properties     # App Configuration
│   │       └── data.sql                   # Preloaded Data
│   └── test/java/com/project/banking/
│       ├── BankingApplicationTests.java
│       ├── TestAccountService.java
│       ├── AccountServiceTestNG.java      # TestNG Tests
│       └── AccountControllerTestNG.java   # TestNG Tests
├── terraform/                             # IaC for AWS
│   ├── main.tf
│   ├── variables.tf
│   └── outputs.tf
├── ansible/                               # Configuration Management
│   ├── install-jenkins.yml
│   ├── deploy-app.yml
│   ├── install-monitoring.yml
│   ├── install-node-exporter.yml
│   └── inventory/
│       ├── test
│       └── prod
├── prometheus/                            # Monitoring
│   ├── prometheus.yml
│   └── grafana-dashboard.json
├── Dockerfile                             # Container Image
├── Jenkinsfile                            # CI/CD Pipeline
├── bankingdeploy.yaml                     # K8s Deployment
├── testng.xml                             # TestNG Suite
├── pom.xml                                # Maven Config
└── README.md

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🏃 Running Locally

Prerequisites

• Java 17+
• Maven 3.6+
• Docker (optional)

Run with Maven

# Clone repository
git clone https://github.com/vedanthgumaj-afk/BankingWebApp.git
cd BankingWebApp

# Build and run
mvn clean spring-boot:run

Run with Docker

# Build image
docker build -t vedanthgumaj/bankingwebapp .

# Run container
docker run -p 8082:8082 vedanthgumaj/bankingwebapp

Access Application

• Application: http://localhost:8082
• H2 Console: http://localhost:8082/h2-console
• Actuator Health: http://localhost:8082/actuator/health
• Prometheus Metrics: http://localhost:8082/actuator/prometheus

---

🧪 Testing

Run JUnit Tests

mvn test

Generate TestNG HTML Report

mvn test
# Report available at: target/surefire-reports/index.html

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🔄 CI/CD Pipeline (Jenkins)

The Jenkinsfile defines the following stages:

1. Checkout - Clone code from GitHub
2. Build - Compile with Maven
3. Test - Run JUnit/TestNG tests
4. Package - Create JAR file
5. Docker Build - Build container image
6. Docker Push - Push to DockerHub
7. Deploy to Test - Deploy via Ansible
8. Integration Tests - Verify deployment
9. Deploy to Kubernetes - Production deployment

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🏗️ Infrastructure (Terraform)

Provision AWS Infrastructure

cd terraform

# Initialize Terraform
terraform init

# Preview changes
terraform plan

# Apply changes
terraform apply

Resources Created:

• VPC with public subnet
• 4 EC2 instances:
  • Jenkins Server (t2.medium)
  • Test Server (t2.micro)
  • Production Server (t2.micro)
  • Monitoring Server (t2.micro)
• Security groups with required ports

---

⚙️ Configuration Management (Ansible)

Install Jenkins

ansible-playbook -i ansible/inventory/test ansible/install-jenkins.yml

Deploy Application

ansible-playbook -i ansible/inventory/test ansible/deploy-app.yml

Install Monitoring

ansible-playbook -i ansible/inventory/prod ansible/install-monitoring.yml

---

📊 Monitoring (Prometheus & Grafana)

Metrics Dashboard includes:

1. CPU Utilization - Real-time CPU usage per server
2. Disk Space Utilization - Storage usage percentage
3. Total Available Memory - RAM availability

Access URLs (after deployment):

• Prometheus: http://<MONITORING_IP>:9090
• Grafana: http://<MONITORING_IP>:3000 (admin/admin)

---

🐳 Docker Commands

# Build image
docker build -t vedanthgumaj/bankingwebapp:latest .

# Push to DockerHub
docker login
docker push vedanthgumaj/bankingwebapp:latest

# Run container
docker run -d -p 8082:8082 --name bankingapp vedanthgumaj/bankingwebapp:latest

# View logs
docker logs bankingapp

---

☸️ Kubernetes Deployment

# Apply deployment
kubectl apply -f bankingdeploy.yaml

# Check status
kubectl get pods
kubectl get services
kubectl get hpa

# Access via NodePort
# http://<NODE_IP>:31022

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📝 Preloaded Data

The application comes with sample accounts:

Account No	Name	Type	Balance
1001	John Doe	Savings	₹50,000
1002	Jane Smith	Current	₹75,000
1003	Bob Wilson	Savings	₹25,000
1004	Alice Johnson	Current	₹1,00,000
1005	Charlie Brown	Savings	₹35,000

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👤 Author

Vedanth Gumaj

• GitHub: @vedanthgumaj-afk
• DockerHub: vedanthgumaj

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📄 License

This project is for educational purposes - DevOps Certification Project.