How to Install Judge0 CE on macOS

Introduction

Judge0 CE is an open-source online judge system that is used for testing and evaluating code. It is available for free on the internet, and is used by developers worldwide. This tutorial will guide you through the steps to install Judge0 CE on your macOS.

Prerequisites

  • A Mac running the macOS system.
  • A terminal installed on your Mac.

Steps to Install Judge0 CE

  1. Install Homebrew

Homebrew is a package manager for macOS that allows you to easily download and install other applications. To install Homebrew, open your Terminal and type the following command:

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
  1. Install Docker

Docker is a platform for developers to create, deploy, and run applications in containers. You can install Docker by running the following command in your Terminal:

brew install docker
  1. Set Up Your Docker Environment

After installing Docker, you need to set up your environment. To do so, open your Terminal and type the following command:

docker run hello-world

This command will download and run a Docker container, and will print a message confirming that your Docker environment is set up correctly.

  1. Download the Judge0 CE Image

To download the Judge0 CE image, open your Terminal and type the following command:

docker pull judge0/api:latest

This command will download the Judge0 CE image.

  1. Start the Judge0 CE Image

To start the Judge0 CE image, open your Terminal and type the following command:

docker run -p 80:3000 -d judge0/api

This command will start the Judge0 CE image in the background, and will map port 80 on your Mac to port 3000 in the Docker container.

  1. Test Your Judge0 CE Installation

To test your Judge0 CE installation, open your web browser and go to the following URL: http://localhost/api/docs

If you see a page that says "Swagger UI", then your Judge0 CE installation is successful.

Conclusion

Installing Judge0 CE on your macOS is an easy and straightforward process, and it can be done in a few steps by following this tutorial. With Judge0 CE installed, you can use it to test and evaluate your code, and optimize your coding skills.