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@@ -1,5 +1,65 @@ # CheSSH -Check out the USUFSLC presentation for this application to understand best what the hell this is: +CheSSH is a distributed multiplayer implementation of the game of Chess over SSH, +written in Elixir, with Discord integrations to deliver alerts when players are +looking for opponents, or in games when it is one's turn. -[https://linux.usu.edu/stream/12](https://linux.usu.edu/stream/12) +https://user-images.githubusercontent.com/25559600/221317658-a80046ca-6009-456d-b43c-67d95baa4bf6.mp4 + +## Usage + +### Dependencies ++ `npm` ++ `elixir` ++ `postgresql` ++ `redis` (which you can ignore if you only use the ETS backend for Hammer in + `config/dev.exs` [set by default]) + +### Installation + +Do something among the lines of: + +``` +git clone https://github.com/Simponic/chessh +cd chessh + +cp .env.example .env +chmod 0700 .env + +# In one shell (after filling in your .env), start CheSSH +export $(cat .env | xargs) +mix ecto.create +mix ecto.migrate +iex -S mix + +# In another shell, start the frontend +export $(cat .env | xargs) +cd front +npm install +npm start +``` + +## Architecture +The process of building the pi cluster is wholly contained in the awful +`buildscripts`, which will individually `ssh` into separate pi's and build the +services locally there as well as update the load balancer pi's configurations for nginx +and HAproxy. + +More architecture talk of CheSSH can be found in my (albeit kinda cringe) FSLC +presentation on Elixir: +[https://github.com/Simponic/chessh/blob/main/presentation/chessh.org](https://github.com/Simponic/chessh/blob/main/presentation/chessh.org) + + +## Environment Variables (mostly optional) ++ `REACT_APP_DISCORD_INVITE` is the invite link to the discord server with the + CheSSH bot ++ `REACT_APP_DISCORD_OAUTH` is the link (after replacing the GET URL params) that will + be used to initiate discord OAUTH from the frontend ++ `CLIENT_REDIRECT_AFTER_OAUTH` & `SERVER_REDIRECT_URI` are self-explanatory ++ `REACT_APP_SSH_SERVER` and `REACT_APP_SSH_PORT` are used to build the .ssh config + given to users on the home page of CheSSH after authentication ++ `NEW_GAME_PINGABLE_ROLE_ID` is the role id of the role to ping when one is + looking for an opponent ++ `REMIND_MOVE_CHANNEL_ID` is the channel id to create private threads with players + for move reminders and other communications ++ `NEW_GAME_CHANNEL_ID` is similar to the above |