this repo has no description
Add husky, prom-client, tweak pino
Also update packages
+96
-32
+15
-7
package.json
+15
-7
package.json
···
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"dev": "bunx --watch src/index.ts",
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"format": "bunx prettier --write .",
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"lint": "bunx eslint .",
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"lint:fix": "bunx eslint --fix ."
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"lint:fix": "bunx eslint --fix .",
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"prepare": "husky"
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},
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"dependencies": {
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"dotenv": "^16.4.5",
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"pino": "^9.4.0",
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"pino-pretty": "^11.2.2"
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"fastify": "^5.0.0",
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"husky": "^9.1.6",
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"lint-staged": "^15.2.10",
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"pino": "^9.5.0",
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"pino-pretty": "^11.3.0",
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"prom-client": "^15.1.3"
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},
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"devDependencies": {
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"@eslint/js": "^9.12.0",
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"@eslint/js": "^9.13.0",
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"@trivago/prettier-plugin-sort-imports": "^4.3.0",
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"@types/eslint__js": "^8.42.3",
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"@types/node": "^22.7.5",
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"eslint": "^9.12.0",
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"@types/node": "^22.7.7",
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"eslint": "^9.13.0",
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"prettier": "^3.3.3",
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"tsx": "^4.19.1",
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"typescript": "^5.6.3",
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"typescript-eslint": "^8.8.1"
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"typescript-eslint": "^8.10.0"
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},
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"lint-staged": {
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"*": "prettier --ignore-unknown --write --ignore-path .prettierignore"
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},
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"author": "alice",
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"license": "MIT"
+30
-8
src/index.ts
+30
-8
src/index.ts
···
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import dotenv from 'dotenv';
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import 'dotenv/config';
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import logger from './logger.js';
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import { startMetricsServer, stopMetricsServer } from './metrics.js';
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dotenv.config();
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await startMetricsServer(Number(process.env.METRICS_PORT));
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logger.info('Hello, World!');
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let isShuttingDown = false;
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async function shutdown() {
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if (isShuttingDown) {
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logger.info('Shutdown called but one is already in progress.');
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return;
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}
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logger.info('Hello, World!');
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isShuttingDown = true;
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function shutdown() {
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logger.info('Shutting down gracefully...');
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try {
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await stopMetricsServer();
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} catch (error) {
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logger.error(`Error closing Metrics server: ${(error as Error).message}`);
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}
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// ...
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process.exit(0);
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}
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}
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process.on('SIGINT', () => {
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shutdown().catch((error: unknown) => {
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logger.error(`Shutdown failed: ${(error as Error).message}`);
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process.exit(1);
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});
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});
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process.on('SIGINT', shutdown);
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process.on('SIGTERM', shutdown);
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process.on('SIGTERM', () => {
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shutdown().catch((error: unknown) => {
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logger.error(`Shutdown failed: ${(error as Error).message}`);
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process.exit(1);
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});
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});
+12
-16
src/logger.ts
+12
-16
src/logger.ts
···
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import { pino } from 'pino';
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const logger = pino({
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level: process.env.LOG_LEVEL ?? 'info',
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transport:
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process.env.NODE_ENV !== 'production' ?
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{
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target: 'pino-pretty',
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options: {
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colorize: true,
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translateTime: 'SYS:standard',
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ignore: 'pid,hostname',
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},
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}
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: undefined,
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timestamp: pino.stdTimeFunctions.isoTime,
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});
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import pretty from 'pino-pretty';
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const logger = pino(
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{
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level: process.env.LOG_LEVEL ?? 'info',
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timestamp: pino.stdTimeFunctions.isoTime,
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},
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pretty({
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sync: process.env.NODE_ENV !== 'production' ? true : false,
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colorize: true,
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translateTime: 'SYS:standard',
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}),
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);
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export default logger;
+35
src/metrics.ts
+35
src/metrics.ts
···
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import Fastify from 'fastify';
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import { Registry, collectDefaultMetrics } from 'prom-client';
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import logger from './logger.js';
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const register = new Registry();
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collectDefaultMetrics({ register });
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const app = Fastify({
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loggerInstance: logger,
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disableRequestLogging: true,
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});
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app.get('/metrics', async (request, reply) => {
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const metrics = await register.metrics();
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reply.type(register.contentType).send(metrics);
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});
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const startMetricsServer = async (port: number, host = '127.0.0.1') => {
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try {
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await app.listen({
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port,
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host,
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listenTextResolver: (address) => `Metrics server started and available at ${address}/metrics`,
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});
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} catch (error) {
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app.log.error(`Error starting Metrics server: ${(error as Error).message}`);
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}
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};
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const stopMetricsServer = async () => {
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await app.close();
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};
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export { startMetricsServer, stopMetricsServer };