FROM node:20-alpine

WORKDIR /app

# Install OS dependencies for audio processing
RUN apk add --no-cache ffmpeg chromaprint

# Install dependencies
COPY server/package*.json ./server/
RUN cd server && npm install --production

# Copy app source
COPY server/ ./server/
COPY public/ ./public/
COPY shared/ ./shared/

# Start server
WORKDIR /app/server
EXPOSE 3000
CMD ["npm", "start"]