Medplum

// SPDX-FileCopyrightText: Copyright Orangebot, Inc. and Medplum contributors // SPDX-License-Identifier: Apache-2.0 import express from 'express'; import gracefulShutdown from 'http-graceful-shutdown'; import { initApp, shutdownApp } from './app'; import { loadConfig } from './config/loader'; import { globalLogger } from './logger'; import { getServerVersion } from './util/version'; export async function main(configName: string): Promise<void> { process.on('unhandledRejection', (err: any) => { globalLogger.error('Unhandled promise rejection', err); }); process.on('uncaughtException', (err) => { globalLogger.error('Uncaught exception thrown', err); if (err.message && typeof err.message === 'string' && err.message.includes('Connection terminated unexpectedly')) { // The pg-pool library throws this error when the database connection is lost. // This can happen when the database server is restarted. // We do *not* want to exit the process in this case. return; } if (err.message && typeof err.message === 'string' && err.message.includes('Unexpected end of input')) { // Workaround for OpenTelemetry bug: https://github.com/open-telemetry/opentelemetry-js/issues/5095 // The otel library can throw this error on malformed X-Forwarded-For headers. // We do *not* want to exit the process in this case. return; } process.exit(1); }); globalLogger.info('Starting Medplum Server...', { configName, version: getServerVersion() }); const config = await loadConfig(configName); const app = await initApp(express(), config); const server = app.listen(config.port); server.keepAliveTimeout = config.keepAliveTimeout ?? 90000; globalLogger.info('Server started', { port: config.port }); gracefulShutdown(server, { timeout: config.shutdownTimeoutMilliseconds, development: process.env.NODE_ENV !== 'production', preShutdown: async (signal) => { globalLogger.info( `Shutdown signal received... allowing graceful shutdown for up to ${config.shutdownTimeoutMilliseconds} milliseconds`, { signal } ); }, onShutdown: () => shutdownApp(), finally: () => { globalLogger.info('Shutdown complete'); }, }); } if (import.meta.main) { main(process.argv.length === 3 ? process.argv[2] : 'file:medplum.config.json').catch((err) => { console.log(err); process.exit(1); }); }