Function configure

backend/lib/config.js:17–105

()

// 1. Load from config file first (not recommended anymore)
// 2. Use config env variables next
const configure = () => {
	const filename = `${process.env.NODE_CONFIG_DIR || "./config"}/${process.env.NODE_ENV || "default"}.json`;
	if (fs.existsSync(filename)) {
		let configData;
		try {
			// Load this json  synchronously
			const rawData = fs.readFileSync(filename);
			configData = JSON.parse(rawData);
		} catch (_) {
			// do nothing
		}

		if (configData?.database) {
			logger.info(`Using configuration from file: ${filename}`);

			// Migrate those who have "mysql" engine to "mysql2"
			if (configData.database.engine === "mysql") {
				configData.database.engine = mysqlEngine;
			}

			instance = configData;
			instance.keys = getKeys();
			return;
		}
	}

	const toBool = (v) => /^(1|true|yes|on)$/i.test((v || '').trim());

	const envMysqlHost                  = process.env.DB_MYSQL_HOST || null;
	const envMysqlUser                  = process.env.DB_MYSQL_USER || null;
	const envMysqlName                  = process.env.DB_MYSQL_NAME || null;
	const envMysqlSSL                   = toBool(process.env.DB_MYSQL_SSL);
	const envMysqlSSLRejectUnauthorized	= process.env.DB_MYSQL_SSL_REJECT_UNAUTHORIZED === undefined ? true : toBool(process.env.DB_MYSQL_SSL_REJECT_UNAUTHORIZED);
	const envMysqlSSLVerifyIdentity		= process.env.DB_MYSQL_SSL_VERIFY_IDENTITY === undefined ? true : toBool(process.env.DB_MYSQL_SSL_VERIFY_IDENTITY);
	if (envMysqlHost && envMysqlUser && envMysqlName) {
		// we have enough mysql creds to go with mysql
		logger.info("Using MySQL configuration");
		instance = {
			database: {
				engine: mysqlEngine,
				host: envMysqlHost,
				port: process.env.DB_MYSQL_PORT || 3306,
				user: envMysqlUser,
				password: process.env.DB_MYSQL_PASSWORD,
				name:     envMysqlName,
				ssl:      envMysqlSSL ? { rejectUnauthorized: envMysqlSSLRejectUnauthorized, verifyIdentity: envMysqlSSLVerifyIdentity } : false,
			},
			keys: getKeys(),
		};
		return;
	}

	const envPostgresHost = process.env.DB_POSTGRES_HOST || null;
	const envPostgresUser = process.env.DB_POSTGRES_USER || null;
	const envPostgresName = process.env.DB_POSTGRES_NAME || null;
	if (envPostgresHost && envPostgresUser && envPostgresName) {
		// we have enough postgres creds to go with postgres
		logger.info("Using Postgres configuration");