Fix: Docker image size, and app's close event handler.

Dockerfile

@@ -1,13 +1,9 @@
-FROM node:14.15.0
+FROM node:18-alpine
 
-WORKDIR /usr/src/app
-
-COPY package*.json ./
-
-RUN npm install
+WORKDIR /app
 
 COPY . .
+RUN npm install
 
 EXPOSE 8080
-
-CMD [ "node", "server.js" ]
+CMD ["node", "server.js"]

server.js

@@ -1,21 +1,31 @@
-const express = require('express');
-const scraper = require('./scraper')
+const express = require("express");
+const scraper = require("./scraper");
 const app = express();
+const process = require("process");
+
+function stop() {
+  console.log("gracefully shutting down the server...");
+  process.exit();
+}
+
+process.on("SIGINT", stop); // Ctrl+C
+process.on("SIGTERM", stop); // docker stop
 
 //Home page
-app.get('/', (req, res) => {
-    res.sendFile(__dirname + "/index.html");
+app.get("/", (req, res) => {
+  res.sendFile(__dirname + "/index.html");
 });
 
 //API route
-app.get('/api/search', (req, res) => {
-    scraper.youtube(req.query.q, req.query.key, req.query.pageToken)
-        .then(x => res.json(x))
-        .catch(e => res.send(e));
+app.get("/api/search", (req, res) => {
+  scraper
+    .youtube(req.query.q, req.query.key, req.query.pageToken)
+    .then((x) => res.json(x))
+    .catch((e) => res.send(e));
 });
 
 app.listen(process.env.PORT || 8080, function () {
-  console.log('Listening on port 8080');
+  console.log("Listening on port 8080");
 });
 
 module.exports = app;