Service Health Monitor

A serverless service health monitoring system built with AWS Lambda.

Architecture

This system uses:

• AWS Lambda for serverless computation
• DynamoDB for storing health check results
• EventBridge for scheduled execution
• Terraform for infrastructure as code

Project Structure

service-monitor/
├── src/
│   └── lambda/
│       └── health_checker.py
├── infrastructure/
│   ├── main.tf
│   ├── variables.tf
│   └── outputs.tf
├── tests/
│   └── test_health_checker.py
└── README.md

Local Development

1. Set up virtual environment:

python -m venv site_reliability
source venv/bin/activate

2. Install dependencies:

pip install -r requirements.txt

Deployment

1. Configure AWS credentials
2. Initialize Terraform:

cd infrastructure
terraform init

3. Deploy:

terraform apply

Features

• Real-time health monitoring of web services
• Latency tracking
• Historical data storage
• Automated deployment