Copi

March 17, 2025 ยท View on GitHub

What is Copi?

Copi is an online place where you can play Cornucopia and Elevation of Privilege. You can play all the editions of Cornucopia (website and mobile) as well as the Elevation of Privileges game.

Dev Environment Setup

If you want to contribute to Copi, follow the guide below to set up your development environment.

Installation by Operating System

Mac

Get Homebrew
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"

echo '# Set PATH, MANPATH, etc., for Homebrew.' >> /Users/tai/.zprofile
echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> /Users/tai/.zprofile
eval "$(/opt/homebrew/bin/brew shellenv)"
Get Elixir
brew install elixir

Linux and Windows

Follow the installation process for your Linux distribution and Windows.

Install the Elixir package manager, Hex

mix local.hex

Check you've got Elixir 1.16 and Erlang 26, or higher

elixir -v

Install the web application framework, Phoenix (this line will change when 1.7 goes GA)

mix archive.install hex phx_new

PostgreSQL with Docker

https://docs.docker.com/desktop/install/mac-install/

After installing docker, You can create an instance of the Postgres image:

docker run --name copi_dev -p 5432:5432 -e POSTGRES_USER=postgres -e POSTGRES_PASSWORD=y9EAY7xeVucjM2yM -d postgres

Note: the password must be the same as the one in the config file of your dev environment.

You've now got Elixir, Hex, Phoenix and Postgres. You are ready to run Copi locally and contribute.

Bonus: set up vscode for elixir dev https://fly.io/phoenix-files/setup-vscode-for-elixir-development/

Clone the copi code, then

To start your Phoenix server:

  • Install dependencies with mix deps.get
  • Create and migrate your database with mix ecto.setup
  • Install Node.js dependencies with npm install inside the assets directory
  • Start Phoenix endpoint with mix phx.server

Now you can visit localhost:4000 from your browser.

Ready to run in production? Please check our deployment guides.

More about Phoenix