Service API tutorial

In this tutorial, we will create a multi-server architecture for making a simple app for creating and retrieving a list of users from the database!

This is originally made for COSI 105b: Software Engineering for Scalability @ Brandeis University under Professor Pito Salas.

Start here

Part 1 - Cloud architecture

Part 2 - Sinatra app

Part 3 - CI/CD

Part 4 - Service Discovery

Flow

Architecture

• Sinatra Frontend (1 Droplet)
  • Responsible for asking the Service API for the list of users, and render a html page for it.
• Sinatra Service API (1 Droplet)
  • Responsible for talking to Postgres and retrieving Users' information.
• Postgres DB (1 Database)