Dockerfile

# Use the official Node.js 20 Alpine image as a base
FROM node:18.20.3

# Install necessary dependencies for Puppeteer and Chromium
RUN apt-get update && apt-get install -y --no-install-recommends \
  fonts-liberation \
  libasound2 \
  libatk-bridge2.0-0 \
  libatk1.0-0 \
  libcups2 \
  libdrm2 \
  libgbm1 \
  libgtk-3-0 \
  libnspr4 \
  libnss3 \
  libx11-xcb1 \
  libxcomposite1 \
  libxdamage1 \
  libxrandr2 \
  xdg-utils \
  libu2f-udev \
  libxshmfence1 \
  libglu1-mesa \
  chromium \
  && apt-get clean \
  && rm -rf /var/lib/apt/lists/*
  
# Set the working directory in the container
WORKDIR /usr/src/app

# Copy package.json and package-lock.json to the working directory
COPY package*.json ./

# Install dependencies
RUN npm install

# Copy the rest of the application source code
COPY . .

# Expose the port the app runs on
EXPOSE 3000

# Puppeteer setup: Skip Chromium download and use the installed Chromium
ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true
ENV PUPPETEER_EXECUTABLE_PATH="/usr/bin/chromium"

# Command to run the application
CMD [ "npm", "start" ]