FROM node:20-slim

# Install yt-dlp (standalone binary) and ffmpeg for audio extraction
RUN apt-get update && \
    apt-get install -y --no-install-recommends python3 ffmpeg curl ca-certificates && \
    curl -L https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp -o /usr/local/bin/yt-dlp && \
    chmod +x /usr/local/bin/yt-dlp && \
    apt-get remove -y curl && \
    apt-get autoremove -y && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY package.json package-lock.json* ./
RUN npm install --production

COPY server.js ./

EXPOSE 3001

CMD ["node", "server.js"]