1.2.0

CHANGELOG.md

@@ -5,6 +5,16 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.2.0] - 2022-02-07
+
+### Added
+
+- Sigterm and Sigkill hooks for graceful shutdown
+
+### Changed
+
+- Multistage steps to reduce image size
+
 ## [1.1.1] - 2022-02-07
 
 ### Security

Dockerfile

@@ -1,10 +1,21 @@
+FROM node:16-alpine as builder
+
+WORKDIR /app
+
+ADD ./package.json ./pnpm-lock.yaml ./
+RUN npm exec pnpm install --frozen-lockfile
+
+ADD . .
+RUN npm exec pnpm run build
+
 FROM node:16-alpine
 
 WORKDIR /app
 
-ADD . .
-RUN npm install -g pnpm
-RUN pnpm install --frozen-lockfile
-RUN pnpm run build
+ADD ./package.json ./pnpm-lock.yaml ./
+RUN npm exec pnpm install --frozen-lockfile --prod
+COPY --from=builder /app/dist/ /app/dist/
+
+STOPSIGNAL SIGTERM
 
 CMD ["node", "."]

src/index.ts

@@ -3,6 +3,7 @@ import Axios from 'axios'
 import { CronJob } from 'cron'
 import { config } from 'dotenv'
 import winston from 'winston'
+import process from 'process'
 
 const logger = winston.createLogger({
   level: 'info',
@@ -107,8 +108,16 @@ async function main() {
     if (changed) await update(cf, { ip, record: DNS_RECORD!, zone: ZONE! }).catch((e) => logger.error(e.message))
   }
 
-  new CronJob(CRON || '*/5 * * * *', fn, null, true, undefined, null, true)
+  const cron = new CronJob(CRON || '*/5 * * * *', fn, null, true, undefined, null, true)
   logger.info('Started service.')
+
+  function terminate() {
+    logger.info('Stopping service.')
+    cron.stop()
+    process.exit(0)
+  }
+  process.on('SIGINT', terminate)
+  process.on('SIGTERM', terminate)
 }
 
 main()