accept discord token as env

we only really need that to function anyway, other things like jellyfin will
just not do anything and we have default value for avatar reset.

.dockerignore

@@ -1,3 +1,4 @@
+docker-compose.yml
 node_modules
 .git
 state.json

commands/jellyfin.js

@@ -1,5 +1,8 @@
+let config = {}
+try { config = require('../config.json'); }
+catch { config.jellyfin = null; }
+
 const { SlashCommandBuilder } = require('discord.js');
-const config = require('../config.json');
 const { createClient } = require('../lib/jellyfin');
 
 async function sendChunked(interaction, content) {
@@ -73,7 +76,10 @@ module.exports = {
 		),
 
 	async execute(interaction) {
-		if (!config.jellyfin.users.includes(interaction.user.id)) {
+        if (!config.jellyfin) {
+			interaction.reply({ content: 'This bot is not configured with a Jellyfin instance.', flags: 64 });
+            return;
+        } else if (!config.jellyfin.users.includes(interaction.user.id)) {
 			interaction.reply({ content: 'You are not authorized to use this command.', flags: 64 });
 			return;
 		} else if (interaction.channel.type !== 1) {
@@ -187,4 +193,4 @@ module.exports = {
 			await interaction.editReply(`Error fetching from Jellyfin: ${err.message}`);
 		}
 	},
-};
+};

docker-compose.yml.default

@@ -2,6 +2,11 @@ services:
   bot:
     restart: unless-stopped
     build: .
-    volumes:
+    environment:
-      - ./config.json:/app/config.json
+      - DISCORD=TOKEN_HERE
-      - ./avatars:/app/avatars
+#    volumes:
+#    Uncomment the config for advanced configuration like Jellyfin.
+#      - ./config.json:/app/config.json
+#    Uncomment avatars for an avatars folder it can rotate through.
+#      - ./avatars:/app/avatars
+

index.js

@@ -1,4 +1,14 @@
-const config = require('./config.json');
+let config = {};
+try {
+    config = require('./config.json');
+} catch {
+    if (process.env.DISCORD && process.env.DISCORD != "TOKEN_HERE") {
+        config.token = process.env.DISCORD;
+    } else {
+        console.error("FATAL: Discord token required. Either pass it as an environment variable \"DISCORD\", or fill out config.json.default.");
+        process.exit(1);
+    }
+}
 // the basic discord setup stuff yoinked from their guide
 const { Client, Events, GatewayIntentBits, Partials, ActivityType, MessageFlags, Collection } = require('discord.js');
 const client = new Client({

lib/avatarRotation.js

@@ -1,6 +1,9 @@
+let config = {};
+try { config = require('./config.json'); }
+catch { config.token = process.env.DISCORD; }
+
 const fs = require('fs');
 const path = require('path');
-const config = require('../config.json');
 
 const AVATAR_DIR = path.join(__dirname, '../avatars');
 let avatarFiles = [];