Buy/Sell Car App

• This app allows you to buy or sell a car.
• If you choose to buy, the app will search the database for cars matching your criteria and send you an email and sms with the amount of cars it found.
• If you choose to sell, it will add an entry to the database with the details of your car.

Table of Contents

1. Tech Stack
2. Mockup
3. AWS Diagram
4. Frontend App
5. API Gateway
6. Lambdas
7. Step Functions
8. SNS/SES

Tech Stack

1. HTML/CSS/Javascript
2. Python
3. AWS API Gateway
4. AWS Lambda
5. AWS RDS MySQL
6. AWS Step Functions
7. AWS SNS/SES

Mockup

AWS Diagram

Frontend App

Website allows user to buy or sell car.

API Gateway

API Gateway exposes an API endpoint. API Gateway then communicates with main lambda.

Lambdas

Main lambda receives information from the API Gateway and first communicates with lambda inside VPC (which will communicate with the RDS instance). Main lambda then calls Step Functions.

Step Functions

Step Functions orchestrate additional lambda (to access SNS) and SES

SNS SES

SNS and SES send emails and sms