actual/load-config.js

let userConfig;
let fs = require('fs');
let { join } = require('path');
let root = fs.existsSync('/data') ? '/data' : __dirname;

if (process.env.ACTUAL_CONFIG_PATH) {
  userConfig = require(process.env.ACTUAL_CONFIG_PATH);
} else {
  try {
    // @ts-expect-error TS2307: we expect this file may not exist
    userConfig = require('./config');
  } catch (e) {
    // do nothing
  }
}

/** @type {Omit<import('./config-types').Config, 'mode' | 'serverFiles' | 'userFiles'>} */
let defaultConfig = {
  port: 5006,
  hostname: '::',
  webRoot: join(__dirname, 'node_modules', '@actual-app', 'web', 'build')
};

/** @type {import('./config-types').Config} */
let config;
if (process.env.NODE_ENV === 'test') {
  config = {
    mode: 'test',
    serverFiles: join(__dirname, 'test-server-files'),
    userFiles: join(__dirname, 'test-user-files'),
    ...defaultConfig
  };
} else {
  config = {
    mode: 'development',
    ...defaultConfig,
    serverFiles: join(root, 'server-files'),
    userFiles: join(root, 'user-files'),
    ...(userConfig || {})
  };
}

module.exports = {
  ...config,
  port: +process.env.ACTUAL_PORT || +process.env.PORT || config.port,
  hostname: process.env.ACTUAL_HOSTNAME || config.hostname,
  serverFiles: process.env.ACTUAL_SERVER_FILES || config.serverFiles,
  userFiles: process.env.ACTUAL_USER_FILES || config.userFiles,
  webRoot: process.env.ACTUAL_WEB_ROOT || config.webRoot,
  https:
    process.env.ACTUAL_HTTPS_KEY && process.env.ACTUAL_HTTPS_CERT
      ? {
          key: process.env.ACTUAL_HTTPS_KEY.replace(/\\n/g, '\n'),
          cert: process.env.ACTUAL_HTTPS_CERT.replace(/\\n/g, '\n'),
          ...(config.https || {})
        }
      : config.https
};