mod: remove guild identifier limitation

README.md

@@ -30,7 +30,6 @@ If you are running `nix` or NixOS, you should probably run the provided `flake.n
 Running the binary by itself won't do anything. In fact, the bot will just quit if you don't have the needed information. You will need to have the following:
 
 - A Discord token - `DISCORD_TOKEN`
-- A guild ID - `GUILD_ID`
 
 _OR_
 

docker-compose.yml

@@ -8,7 +8,6 @@ services:
       LETSENCRYPT_HOST:
       LETSENCRYPT_EMAIL:
       ## Fill these in when you deploy
-      # GUILD_ID:
       # DISCORD_TOKEN:
       #
       # OR FILL THESE IN INSTEAD

src/discord.rs

@@ -2,9 +2,8 @@ use std::env;
 
 use serenity::async_trait;
 use serenity::builder::{CreateInteractionResponse, CreateInteractionResponseMessage};
-use serenity::model::application::Interaction;
+use serenity::model::application::{Command, Interaction};
 use serenity::model::gateway::Ready;
-use serenity::model::id::GuildId;
 use serenity::prelude::*;
 
 use crate::commands;
@@ -35,15 +34,7 @@ impl EventHandler for Handler {
     async fn ready(&self, ctx: Context, ready: Ready) {
         println!("{} is connected!", ready.user.name);
 
-        let guild_id = GuildId::new(
-            env::var("GUILD_ID")
-                .expect("Expected GUILD_ID in environment")
-                .parse()
-                .expect("GUILD_ID must be an integer"),
-        );
-
-        let cmds = guild_id
-            .set_commands(
+        let cmds = Command::set_global_commands(
             &ctx.http,
             vec![
                 commands::roll::register(),