discord-media-server/lib/setupConfig.js

Self-hosted Discord bot for scanning and serving information on local media files.

import path from 'path';
import fs from 'fs';
import dotenv from 'dotenv';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

// Path to .env file in root of project
const envPath = path.resolve(__dirname, '../.env');

// Load .env only once
if (fs.existsSync(envPath)) {
  dotenv.config({ path: envPath });
}

// Detect if we're inside Docker
const IS_DOCKER = process.env.IS_DOCKER === 'true' || fs.existsSync('/.dockerenv');

// Set config dir based on environment
const CONFIG_DIR = process.env.CONFIG_DIR || (IS_DOCKER ? '/config' : path.resolve(__dirname, '../'));

// Set data dir (inside config dir or fallback to project root)
const DATA_DIR = process.env.DATA_DIR || path.join(CONFIG_DIR, 'data');

//const MEDIA_DIR = path.resolve(process.env.MEDIA_DIR) || (IS_DOCKER ? '/media' : path.resolve(process.env.MEDIA_DIR));
let MEDIA_DIR = process.env.MEDIA_DIR;

if (!MEDIA_DIR) {
  MEDIA_DIR = IS_DOCKER
    ? '/media'
    : path.resolve(__dirname, '../media'); // default fallback
} else {
  MEDIA_DIR = IS_DOCKER
    ? '/media'
    : path.resolve(MEDIA_DIR);
}

// Ensure required folders exist
[CONFIG_DIR, DATA_DIR].forEach((dir) => {
  if (!fs.existsSync(dir)) fs.mkdirSync(dir, { recursive: true });
});

export {
  CONFIG_DIR,
  DATA_DIR,
  MEDIA_DIR,
  IS_DOCKER,
  envPath as ENV_PATH,
};