Dockerfile

# Build stage
FROM node:18-slim AS builder

# Set working directory
WORKDIR /app

# Copy package.json and package-lock.json
COPY package*.json ./

# Install dependencies
RUN npm ci --only=production

# Copy source code
COPY . .

# Production stage
FROM node:18-slim

# We don't need the standalone Chromium
ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD true

# Install dependencies and Chromium
RUN apt-get update && apt-get install -y \
    fonts-liberation \
    libasound2 \
    libatk-bridge2.0-0 \
    libatk1.0-0 \
    libatspi2.0-0 \
    libcups2 \
    libdbus-1-3 \
    libdrm2 \
    libgbm1 \
    libgtk-3-0 \
    libnspr4 \
    libnss3 \
    libwayland-client0 \
    libxcomposite1 \
    libxdamage1 \
    libxfixes3 \
    libxkbcommon0 \
    libxrandr2 \
    xdg-utils \
    chromium \
    --no-install-recommends \
    && rm -rf /var/lib/apt/lists/*

# Set working directory
WORKDIR /app

# Copy built artifacts from builder stage
COPY --from=builder /app/node_modules ./node_modules
COPY --from=builder /app .

# Set environment variables
ENV NODE_ENV=production
ENV PUPPETEER_EXECUTABLE_PATH=/usr/bin/chromium

# Expose port
EXPOSE 3000

# Run the application
CMD ["node", "server.js"]