FROM node:20-slim

# Install latest chromium package and dependencies
# This is crucial for fixing "missing Chrome" errors on Linux servers
RUN apt-get update && apt-get install gnupg wget -y && \
    wget -q -O - https://dl-ssl.google.com/linux/linux_signing_key.pub | gpg --dearmor -o /usr/share/keyrings/googlechrome-linux-keyring.gpg && \
    sh -c 'echo "deb [arch=amd64 signed-by=/usr/share/keyrings/googlechrome-linux-keyring.gpg] https://dl.google.com/linux/chrome/deb/ stable main" >> /etc/apt/sources.list.d/google.list' && \
    apt-get update && \
    apt-get install -y google-chrome-stable fonts-ipafont-gothic fonts-wqy-zenhei fonts-thai-tlwg fonts-kacst fonts-freefont-ttf libxss1 --no-install-recommends && \
    rm -rf /var/lib/apt/lists/*

# Tell Puppeteer to use the installed Chrome
ENV PUPPETEER_SKIP_CHROMIUM_DOWNLOAD=true \
    PUPPETEER_EXECUTABLE_PATH=/usr/bin/google-chrome-stable

# Create app directory
WORKDIR /usr/src/app

# Copy package.json first for better Docker caching
COPY package*.json ./

# Install npm dependencies
RUN npm install

# Copy all other project files
COPY . .

# Hugging Face exposes port 7860 by default
EXPOSE 7860

# Start the bot
CMD ["node", "server.js"]