# Use Node.js LTS
FROM node:20-alpine

# Install dependencies for native modules
RUN apk add --no-cache python3 make g++

# Create app directory
WORKDIR /app

# Copy package files
COPY package*.json ./

# Install dependencies
RUN npm ci --only=production

# Copy application code
COPY . .

# Create directories for data
RUN mkdir -p /data/artwork /data/music

# Expose port
EXPOSE 4000

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=5s --retries=3 \
  CMD node -e "require('http').get('http://localhost:4000/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

# Start the server
CMD ["npm", "start"]