Micro-Service: Tic-Tac-Toe

An example of micro-service to be used in cooperation with the score service.

It's made with Express (and TypeScript), and send events through kafka. It uses an in-memory implementation as a database.

This Tic-Tac-Toe is a Back-End implementation of the known Front-End game. It also sends event when a game is won to the score service.

Installation

• Install dependencies (recommended with yarn).
• Copy .env.example to .env.
• Start a kafka instance (available with docker-compose inside this project).
• Start the tic-tac-toe service with yarn dev.
• Also, start the score service.

Learn micro-services in-depth

If you want to learn how we use micro-services in the real world, feel free to have a look at:

• The theory behind micro-services (free articles)
• How we create micro-services in a professional environment (practical course)

Usage

• Win a game of tic-tac-toe, connected to the same kafka instance than the score service:
  • To get started, initialize the board with a request to http://localhost:4000/tic-tac-toe/initialize.
  • Play to win with X by sending POST requests: http://localhost:4000/tic-tac-toe/play?step=0&square=0.
  • Play to win with X by sending POST requests: http://localhost:4000/tic-tac-toe/play?step=1&square=8.
  • Play to win with X by sending POST requests: http://localhost:4000/tic-tac-toe/play?step=2&square=1.
  • Play to win with X by sending POST requests: http://localhost:4000/tic-tac-toe/play?step=3&square=7.
  • Play to win with X by sending POST requests: http://localhost:4000/tic-tac-toe/play?step=4&square=2.
• Send a GET request to the score service http://localhost:4001/score to see the list of game won.