hereAlexT/TicketOverFlow

A web application that manages ticketing with a microservices architecture. Deployed using AWS Lambda, SQS, ECS, ELB, and RDS, it ensures scalability and is automated with Terraform.

TicketOverFlow

TicketOverFlow is a scalable online ticket booking platform built with a microservice architecture.

Features

Endpoints List

• Concert Service
  • GET /concert/health
  • GET /concerts - List all the concerts registered with TicketOverFlow
  • POST /concerts - Register a new concert for TicketOverFlow
  • GET /concerts/{id} - Get details for a particular concert.
  • PUT /concerts/{id} - Update details about a concert
  • GET /concerts/{id}/seats - Get the seating plan as an SVG for a particular concert.
• Ticket Service
  • GET /tickets/health
  • GET /tickets - List all the purchased tickets
  • POST /tickets - Purchase a ticket for a concert
  • GET /tickets/{id} - Get information for a particular ticket
  • POST /tickets/{id}/print - Request that a ticket be printed asynchronously.
  • GET /tickets/{id}/print - Get the printed ticket if it exists.
• User Service
  • GET /users/health
  • GET /users - List all registered users for the service.
  • GET /users/{id} Get information for a particular user.

Techstack

• Backend: Python, Flask, Gunicorn, Postgres
• Deployment: Docker, AWS ECS, AWS SQS, AWS Lambda, Terraform

Dependencies

Before deploying, the following dependencies must be installed:

• Python 3.10 - Execute the script to init USER table
• Terraform 1.4.6
• zip - Used to zip the lambda function
• Psycopg2 2.9.1 - Used to connect to RDS in Python
• pipenv
• Docker - Used to build docker image by Terraform
• registry.terraform.io/kreuzwerker/docker - Used to push docker image to ECR

Install dependencies by apt

echo "installing dependencies..."
apt update -y
apt install python3 -y
apt install python3-pip -y
python3 -m pip install psycopg2-binary

Deployment

1. Fill credentials file.
2. Run ./deoply.sh to deploy the infrastructure.