FROM node:20-alpine AS builder

WORKDIR /app

# Install dependencies
COPY package*.json ./
RUN npm ci --only=production && npm cache clean --force

# Copy source
COPY . .

# Build TypeScript
RUN npm run build

# Production stage
FROM node:20-alpine

WORKDIR /app

# Install only production dependencies
COPY package*.json ./
RUN npm ci --only=production && npm cache clean --force

# Copy built files
COPY --from=builder /app/dist ./dist
COPY --from=builder /app/src/generated ./src/generated

# Create data directory with proper permissions
RUN mkdir -p /app/data && chown -R node:node /app/data

# Switch to non-root user
USER node

# Expose port
EXPOSE 3001

# Health check
HEALTHCHECK --interval=30s --timeout=3s --start-period=40s --retries=3 \
  CMD node -e "require('http').get('http://localhost:3001/health', (r) => {process.exit(r.statusCode === 200 ? 0 : 1)})"

# Start production server
CMD ["node", "dist/index.js"]