Downloading dependencies and requirements for puppeteer

Author: Domin0de

Dockerfile

@@ -2,6 +2,18 @@
 FROM node:20.15.0-slim as builder
 ENV NODE_ENV=production
 
+# We don't need the standalone Chromium
+ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD true
+
+# Install Google Chrome Stable and fonts
+# Note: this installs the necessary libs to make the browser work with Puppeteer.
+RUN apt-get update && apt-get install gnupg wget -y && \
+  wget --quiet --output-document=- https://dl-ssl.google.com/linux/linux_signing_key.pub | gpg --dearmor > /etc/apt/trusted.gpg.d/google-archive.gpg && \
+  sh -c 'echo "deb [arch=amd64] http://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list' && \
+  apt-get update && \
+  apt-get install google-chrome-stable -y --no-install-recommends && \
+  rm -rf /var/lib/apt/lists/*
+
 # Set working directory
 WORKDIR /app
 

commands/courseRating.js

@@ -7,7 +7,9 @@ const puppeteer = require("puppeteer");
  * Extracts the relevant information from the course page
  */
 async function extractRating(url) {
-    const browser = await puppeteer.launch();
+    const browser = await puppeteer.launch({
+        executablePath: "/usr/bin/google-chrome",
+    });
 
     const page = await browser.newPage();
     await page.goto(url, { waitUntil: "networkidle2" });

entrypoint.sh

@@ -1,4 +1,3 @@
 #!/bin/sh
 node deploy-commands.js
-npx puppeteer browsers install chrome
 node index.js