FROM node:20-alpine
WORKDIR /app

# Install python3 and yt-dlp (no ffmpeg to save space)
RUN apk add --no-cache python3 py3-pip && \
    pip3 install --break-system-packages yt-dlp

COPY package*.json ./
RUN npm install
COPY . .
RUN npm run build

EXPOSE 3000
CMD ["node", "server.js"]